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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.

A230055 Number of permutations of [n] in which the longest increasing run has length 7.

Table of values

n a(n)
7 1
8 14
9 181
10 2360
11 32010
12 456720
13 6881160
14 109546009
15 1841298059
16 32629877967
17 608572228291
18 11923667699474
19 244964063143590
20 5267496652725480
21 118348438201424761
22 2773714509551524351
23 67705791536824698266
24 1718769199589362743761
25 45314525515737783596251

List of values

[1, 14, 181, 2360, 32010, 456720, 6881160, 109546009, 1841298059, 32629877967, 608572228291, 11923667699474, 244964063143590, 5267496652725480, 118348438201424761, 2773714509551524351, 67705791536824698266, 1718769199589362743761, 45314525515737783596251]

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

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