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.

A188174 Number of strictly increasing arrangements of n numbers in -(2n-2)..(2n-2) with sum zero.

Table of values

n a(n)
1 1
2 2
3 8
4 43
5 252
6 1636
7 11322
8 81805
9 610358
10 4672836
11 36525052
12 290399543
13 2342043630
14 19118822650
15 157709971144
16 1312796873451
17 11015236989702
18 93078467831012
19 791462018168032
20 6767910089071288
21 58167781282121262

List of values

[1, 2, 8, 43, 252, 1636, 11322, 81805, 610358, 4672836, 36525052, 290399543, 2342043630, 19118822650, 157709971144, 1312796873451, 11015236989702, 93078467831012, 791462018168032, 6767910089071288, 58167781282121262]

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

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