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.

A225970 Number of permutations of [n] having exactly 9 strong fixed blocks.

Table of values

n a(n)
25 1
26 33
27 627
28 9073
29 111870
30 1248766
31 13110889
32 132972135
33 1329550237
34 13327791693
35 135953350084
36 1431074091372
37 15754008527799
38 183668908342603
39 2292564722628641
40 30882981325870191
41 450836857113720902
42 7132752605955632598
43 121911367111794972727

List of values

[1, 33, 627, 9073, 111870, 1248766, 13110889, 132972135, 1329550237, 13327791693, 135953350084, 1431074091372, 15754008527799, 183668908342603, 2292564722628641, 30882981325870191, 450836857113720902, 7132752605955632598, 121911367111794972727]

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

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