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.

A115278 Number of partitions of {1,...,2*n} into even sized blocks such that no block size is repeated.

Table of values

n a(n)
0 1
1 1
2 1
3 16
4 29
5 256
6 14422
7 49141
8 490429
9 10758400
10 1797335306
11 9458619391
12 133756636598
13 2528529510391
14 137864810180749
15 53441183229799381
16 410251032050409469
17 7615997734377068128
18 167055180095977694194
19 6741819165851219788075
20 738863335901972011745434

List of values

[1, 1, 1, 16, 29, 256, 14422, 49141, 490429, 10758400, 1797335306, 9458619391, 133756636598, 2528529510391, 137864810180749, 53441183229799381, 410251032050409469, 7615997734377068128, 167055180095977694194, 6741819165851219788075, 738863335901972011745434]

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

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