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.

A188204 Number of nondecreasing arrangements of n numbers in -(2n-2)..(2n-2) with sum zero.

Table of values

n a(n)
1 1
2 3
3 13
4 86
5 649
6 5444
7 48417
8 450096
9 4323349
10 42611589
11 428774562
12 4388708804
13 45566531999
14 478878888344
15 5085572069608
16 54500021186920
17 588726212033973
18 6404580593674139
19 70112392484932177
20 771869051769933762

List of values

[1, 3, 13, 86, 649, 5444, 48417, 450096, 4323349, 42611589, 428774562, 4388708804, 45566531999, 478878888344, 5085572069608, 54500021186920, 588726212033973, 6404580593674139, 70112392484932177, 771869051769933762]

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

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