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.

A287585 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 six.

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 15
5 52
6 203
7 877
8 3936
9 18095
10 84280
11 394852
12 1852811
13 8691683
14 40761476
15 190968022
16 893534860
17 4175717815
18 19494813589
19 90945241124
20 424026717957
21 1976119285318
22 9206350189686
23 42880144574315
24 199687348862859
25 929807546551337
26 4329119748507622

List of values

[1, 1, 2, 5, 15, 52, 203, 877, 3936, 18095, 84280, 394852, 1852811, 8691683, 40761476, 190968022, 893534860, 4175717815, 19494813589, 90945241124, 424026717957, 1976119285318, 9206350189686, 42880144574315, 199687348862859, 929807546551337, 4329119748507622]

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

Content is available under The OEIS End-User License Agreement.