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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.

A263004 Row sums of the partition array for the products of the hook lengths numbers of Ferrers (or Young) diagrams A263003.

Table of values

n a(n)
0 1
1 1
2 4
3 15
4 76
5 368
6 2365
7 14892
8 116236
9 966064
10 9256889
11 96638496
12 1129309316
13 14261533248
14 196315312964
15 2900635720869
16 45926240752560
17 773725147192412
18 13831256551416480
19 261227089570409028
20 5198858467673903360
21 108706624576630569271

List of values

[1, 1, 4, 15, 76, 368, 2365, 14892, 116236, 966064, 9256889, 96638496, 1129309316, 14261533248, 196315312964, 2900635720869, 45926240752560, 773725147192412, 13831256551416480, 261227089570409028, 5198858467673903360, 108706624576630569271]

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

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