cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A269117 Number of sequences with 7 copies each of 1,2,...,n avoiding the pattern 12...n.

Table of values

n a(n)
0 0
1 0
2 1
3 1850672
4 11690616534627
5 246211478304046636024
6 14919265746950486383601562197
7 2285085934263252199073238394141449534
8 798203800902002138190338074022806761037450631
9 586566986371155102435901052470650279895779757665905993

List of values

[0, 0, 1, 1850672, 11690616534627, 246211478304046636024, 14919265746950486383601562197, 2285085934263252199073238394141449534, 798203800902002138190338074022806761037450631, 586566986371155102435901052470650279895779757665905993]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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