In order to keep my passwords fresh and increase security all while maintaining the ability to actually remember them, i have fwo approaches to creating passwords that involve a word, a number, a specific nontraditional character, and a specific approach to how i create the new passwords. They often relate to each other for a maximum of 4 passwords, but the variation is such that they always register as strong and the similarities are off extremely limited value to hackers.
institute the concept of custom rules, sequences, and preprogrammed rules/sequences.
For example, a rule could be "for every letter typed, follow by a number", then a sequence could be "every number shall be a multiple of 4; start-0"

Then after some experimenting and suggestions from users, general rules and sequences could be added as the service grows. I'll include some more elaborate examples of sequences taken from Excel and its application of it. Ill post text and try to include the screenshot if possible.Its been a joy!

Syntax:
=SEQUENCE(rows, [columns], [start], [step])

rows: Number of rows for the array

[columns]: [Optional] Number of columns for the array. Defaults to 1 if omitted

[start]: [Optional] Starting value for the sequence. Defaults to 1

[step]: [Optional] Increment between each value in the sequence. Defaults to 1

Return value:
An array of sequential values, arranged as specified by the rows and columns arguments.

How to use:

Use SEQUENCE to generate a list of numbers in an orderly sequence. This function can be used to create simple numeric sequences.

Examples:
Simple SEQUENCE

Creating a Sequential Number List: To generate a vertical list of numbers from 1 to 5:
=SEQUENCE(5)

This formula produces an array of 5 numbers (1, 2, 3, 4, 5) in a vertical arrangement.

SEQUENCE for Two-Dimensional Arrays
Generating a Two-Dimensional Number Grid: Creating a 3×3 grid of sequential numbers:
=SEQUENCE(3, 3)

This formula creates a 3×3 array, with numbers from 1 to 9 arranged in three rows and three columns.

SEQUENCE with Custom Start and Step
Creating a Custom Sequence: Generating numbers starting from 10, incrementing by 5:

=SEQUENCE(4, 1, 10, 5)
Produces a vertical array: 10, 15, 20, 25.

SEQUENCE for Negative and Positive Ranges
Counting Up and Down with
SEQUENCE: Creating a sequence from -5 to 5:

=SEQUENCE(11, 1, -5, 1)
Generates a vertical array from -5 to 5.