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A019130 as a simple table

n a(n)
3 0
4 0
5 4
6 3
7 2
8 26
9 38
10 62
11 242
12 558
13 1202
14 3340
15 8696
16 21250
17 54336
18 141989
19 363816
20 934293
21 2445407
22 6400169
23 16733638
24 44132199
25 116636298
26 308224217
27 817910147
28 2174929052
29 5787607643
30 15438812813
31 41263843971

[0,0,4,3,2,26,38,62,242,558,1202,3340,8696,21250,
 54336,141989,363816,934293,2445407,6400169,
 16733638,44132199,116636298,308224217,817910147,
 2174929052,5787607643,15438812813,41263843971]

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Last modified August 15 16:57 EDT 2022. Contains 356148 sequences. (Running on oeis4.)