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.

A115277 Number of partitions of {1,...,n} into blocks such that no even sized block is repeated.

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 12
5 37
6 143
7 562
8 2320
9 10941
10 54865
11 283890
12 1604155
13 9558226
14 58668223
15 384572975
16 2631778832
17 18576630237
18 137919691717
19 1060303298138
20 8415786131309
21 69538205444478
22 591734670548037
23 5194542789203877
24 47127033586211659
25 438972204436025198

List of values

[1, 1, 2, 5, 12, 37, 143, 562, 2320, 10941, 54865, 283890, 1604155, 9558226, 58668223, 384572975, 2631778832, 18576630237, 137919691717, 1060303298138, 8415786131309, 69538205444478, 591734670548037, 5194542789203877, 47127033586211659, 438972204436025198]