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.

A287279 Number of set partitions of [n] such that for each block all absolute differences between consecutive elements are <= seven.

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 20270
10 102004
11 523700
12 2726840
13 14332663
14 75789343
15 402290332
16 2140945657
17 11413941169
18 60921661218
19 325417158033
20 1739114057259
21 9297387238139
22 49715367098205
23 265879355474309
24 1422070344597675
25 7606514013820659

List of values

[1, 1, 2, 5, 15, 52, 203, 877, 4140, 20270, 102004, 523700, 2726840, 14332663, 75789343, 402290332, 2140945657, 11413941169, 60921661218, 325417158033, 1739114057259, 9297387238139, 49715367098205, 265879355474309, 1422070344597675, 7606514013820659]

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

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