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.

A287277 Number of set partitions of [n] such that for each block all absolute differences between consecutive elements are <= five.

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 15
5 52
6 203
7 825
8 3442
9 14589
10 62361
11 267663
12 1151563
13 4960725
14 21384434
15 92216247
16 397743421
17 1715713298
18 7401353547
19 31929410019
20 137745628418
21 594249218505
22 2563666285385
23 11060009097685
24 47714467256725
25 205847216392033
26 888055467635514

List of values

[1, 1, 2, 5, 15, 52, 203, 825, 3442, 14589, 62361, 267663, 1151563, 4960725, 21384434, 92216247, 397743421, 1715713298, 7401353547, 31929410019, 137745628418, 594249218505, 2563666285385, 11060009097685, 47714467256725, 205847216392033, 888055467635514]

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

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