# Questions tagged [sequence]

For challenges involving sequences, typically of numbers following some pattern.

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### Linear integer function generator

Inspired by a recent challenge involving Fibonacci numbers in which OEIS was mentioned, I would like to present a challenge of creating a function that generates a wide array of different linear ...
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### Find a sequence in the binary digits of π

Given a binary sequence of finite length, find the starting position where this sequence first appears in the binary digits of π (after the decimal). You can assume that an answer exists for any input ...
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### Squarefree Palindromes [closed]

Create the shortest function, program, or expression that calculates a sequence of squarefree palindromic numbers. A squarefree number is one which is not evenly divisible by a square number (i.e. ...
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### Ken Iverson’s Favourite APL Expression?

Ken Iverson, 1920–2020 Let's implement his favourite expression: Given a row of Pascal's triangle, compute the next row. This can for example be computed by taking the input padded with a zero on the ...
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### Spanning paths in a tournament on n nodes

The goal of this challenge is to extend the On-Line Encyclopedia of Integer Sequences (OEIS) sequence A038375. Maximal number of spanning paths in tournament on n nodes. A tournament on $n$ ...
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### Minimal Rotate-Right-Double numbers in base n

Task For a given base $n \ge 3$, find the smallest positive integer $m$, when written in base $n$ and rotated right once, equals $2m$. The base-$n$ representation of $m$ cannot have ...
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