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.

A108774 Sum of the squares of numbers of chess tableaux over all partitions of n.

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 4
5 8
6 16
7 48
8 160
9 448
10 2048
11 6400
12 31232
13 125952
14 604160
15 3119104
16 15638528
17 93478912
18 550141952
19 3367698432
20 24049516544
21 146207539200
22 1203934593024
23 7615928598528
24 67190404415488
25 468355947429888
26 4196459066949632
27 33260378783744000

List of values

[1, 1, 2, 2, 4, 8, 16, 48, 160, 448, 2048, 6400, 31232, 125952, 604160, 3119104, 15638528, 93478912, 550141952, 3367698432, 24049516544, 146207539200, 1203934593024, 7615928598528, 67190404415488, 468355947429888, 4196459066949632, 33260378783744000]

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

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