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A019213 as a simple table

n a(n)
3 0
4 1
5 4
6 1
7 10
8 28
9 48
10 72
11 234
12 590
13 1194
14 3128
15 8624
16 20646
17 53656
18 142760
19 368944
20 960041
21 2535290
22 6664310
23 17553688
24 46472243
25 123351404
26 327633746
27 872745824
28 2330569953
29 6234547154
30 16709193186
31 44876578602

[0,1,4,1,10,28,48,72,234,590,1194,3128,8624,20646,
 53656,142760,368944,960041,2535290,6664310,
 17553688,46472243,123351404,327633746,872745824,
 2330569953,6234547154,16709193186,44876578602]

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Last modified September 18 15:46 EDT 2024. Contains 376000 sequences. (Running on oeis4.)