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.

A003121 Strict sense ballot numbers: n candidates, k-th candidate gets k votes.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 12
5 286
6 33592
7 23178480
8 108995910720
9 3973186258569120
10 1257987096462161167200
11 3830793890438041335187545600
12 123051391839834932169117010215648000
13 45367448380314462649742951646437285434233600
14 207515126854334868747300581954534054343817468395494400

List of values

[1, 1, 1, 2, 12, 286, 33592, 23178480, 108995910720, 3973186258569120, 1257987096462161167200, 3830793890438041335187545600, 123051391839834932169117010215648000, 45367448380314462649742951646437285434233600, 207515126854334868747300581954534054343817468395494400]

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

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