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.

A287588 Number of set partitions of [n] such that all absolute differences between least elements of consecutive blocks and between consecutive elements within the blocks are not larger than nine.

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 15
5 52
6 203
7 877
8 4140
9 21147
10 115975
11 657422
12 3827003
13 22740552
14 137213894
15 837118303
16 5146402217
17 31802294171
18 197197352995
19 1225688654009
20 7632924133053
21 47595564684961
22 297036512468620
23 1854733471252332
24 11584802491032094
25 72372543412986244

List of values

[1, 1, 2, 5, 15, 52, 203, 877, 4140, 21147, 115975, 657422, 3827003, 22740552, 137213894, 837118303, 5146402217, 31802294171, 197197352995, 1225688654009, 7632924133053, 47595564684961, 297036512468620, 1854733471252332, 11584802491032094, 72372543412986244]

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

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