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.

A322877 Number of set partitions of [n] such that the maximal absolute difference between the least elements of consecutive blocks equals four.

Table of values

n a(n)
4 0
5 1
6 11
7 77
8 493
9 3124
10 20019
11 130916
12 878249
13 6063134
14 43144661
15 316670184
16 2397764986
17 18726889938
18 150814853887
19 1251834352246
20 10703915163764
21 94227518620167
22 853463133257984
23 7948557602950239
24 76069254546156710
25 747596311576859585
26 7540213445348427312

List of values

[0, 1, 11, 77, 493, 3124, 20019, 130916, 878249, 6063134, 43144661, 316670184, 2397764986, 18726889938, 150814853887, 1251834352246, 10703915163764, 94227518620167, 853463133257984, 7948557602950239, 76069254546156710, 747596311576859585, 7540213445348427312]

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

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