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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.

A287282 Number of set partitions of [n] such that for each block all absolute differences between consecutive elements are <= ten.

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 678570
12 4097622
13 25397924
14 160822256
15 1036104634
16 6767698121
17 44684050607
18 297472309232
19 1992684291665
20 13410441683599
21 90565259407669
22 613287083857871
23 4161823459675655
24 28288495888520998
25 192520455386904133

List of values

[1, 1, 2, 5, 15, 52, 203, 877, 4140, 21147, 115975, 678570, 4097622, 25397924, 160822256, 1036104634, 6767698121, 44684050607, 297472309232, 1992684291665, 13410441683599, 90565259407669, 613287083857871, 4161823459675655, 28288495888520998, 192520455386904133]

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

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