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A036388 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 1
6 4
7 12
8 30
9 70
10 157
11 348
12 748
13 1603
14 3379
15 7076
16 14720
17 30472
18 62837
19 129141
20 264711
21 541301
22 1104733
23 2250778
24 4578841
25 9303111
26 18880287
27 38277715
28 77533844
29 156924293
30 317374503
31 641463198
32 1295724682

[0,0,0,0,1,4,12,30,70,157,348,748,1603,3379,7076,
 14720,30472,62837,129141,264711,541301,1104733,
 2250778,4578841,9303111,18880287,38277715,
 77533844,156924293,317374503,641463198,1295724682]

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Last modified April 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)