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.

A226507 4*B(n+4) - (4*n+15)*B(n+3) + (n^2+8*n+9)*B(n+2) - (4*n+3)*B(n+1) + n*B(n), where B(i) are the Bell numbers A000110.

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 16
5 177
6 1726
7 15912
8 143148
9 1279939
10 11504326
11 104686659
12 968808308
13 9144180028
14 88184565504
15 869867691833
16 8781919559956
17 90765497635245
18 960434143555986
19 10403548856756708
20 115336464546432180
21 1308260884070774299
22 15177980646442995698
23 180036437138753006607
24 2182526416321158803528

List of values

[0, 0, 0, 1, 16, 177, 1726, 15912, 143148, 1279939, 11504326, 104686659, 968808308, 9144180028, 88184565504, 869867691833, 8781919559956, 90765497635245, 960434143555986, 10403548856756708, 115336464546432180, 1308260884070774299, 15177980646442995698, 180036437138753006607, 2182526416321158803528]

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

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