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A019207 as a simple table

n a(n)
3 0
4 1
5 4
6 0
7 10
8 32
9 42
10 93
11 280
12 627
13 1296
14 3227
15 8260
16 18880
17 46260
18 121257
19 301878
20 766769
21 2025768
22 5294343
23 13898086
24 37039711
25 98698760
26 262959913
27 703299082
28 1882083791
29 5032313490
30 13461166337
31 36020433038

[0,1,4,0,10,32,42,93,280,627,1296,3227,8260,18880,
 46260,121257,301878,766769,2025768,5294343,
 13898086,37039711,98698760,262959913,703299082,
 1882083791,5032313490,13461166337,36020433038]

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Last modified April 23 07:08 EDT 2024. Contains 371906 sequences. (Running on oeis4.)