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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.

A225971 Number of permutations of [n] having exactly 10 strong fixed blocks.

Table of values

n a(n)
28 1
29 37
30 777
31 12270
32 163175
33 1942929
34 21528521
35 228041846
36 2356747034
37 24163001708
38 249403489710
39 2627573750274
40 28640525859359
41 327328342356269
42 3972468538438185
43 51748509141715110
44 729042517121700175
45 11143605769040625033
46 184620160995781020415

List of values

[1, 37, 777, 12270, 163175, 1942929, 21528521, 228041846, 2356747034, 24163001708, 249403489710, 2627573750274, 28640525859359, 327328342356269, 3972468538438185, 51748509141715110, 729042517121700175, 11143605769040625033, 184620160995781020415]

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

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