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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.

A269119 Number of sequences with 9 copies each of 1,2,...,n avoiding the pattern 12...n.

Table of values

n a(n)
0 0
1 0
2 1
3 123700631
4 88094027572412735
5 327305762373962750213344469
6 5055320871467502855510583170028558565
7 268568796699793322439632085075432144258760935329
8 42306180849230219227948320734391059740469458805515898752511

List of values

[0, 0, 1, 123700631, 88094027572412735, 327305762373962750213344469, 5055320871467502855510583170028558565, 268568796699793322439632085075432144258760935329, 42306180849230219227948320734391059740469458805515898752511]

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

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