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.

A225967 Number of permutations of [n] having exactly 6 strong fixed blocks.

Table of values

n a(n)
16 1
17 21
18 273
19 2874
20 27243
21 246037
22 2192863
23 19766016
24 183564396
25 1782944112
26 18338911012
27 201770228316
28 2392011321782
29 30683876823738
30 426312246308898
31 6403885291569540
32 103619141358704966
33 1797448899803758010
34 33259985875540203746
35 653383741590779444772

List of values

[1, 21, 273, 2874, 27243, 246037, 2192863, 19766016, 183564396, 1782944112, 18338911012, 201770228316, 2392011321782, 30683876823738, 426312246308898, 6403885291569540, 103619141358704966, 1797448899803758010, 33259985875540203746, 653383741590779444772]

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

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