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A318817 as a simple table

n a(n)
2 0
3 1
4 1
5 4
6 9
7 22
8 54
9 139
10 346
11 892
12 2290
13 5945
14 15465
15 40527
16 106308
17 280629
18 742107
19 1969394
20 5239322
21 13980900
22 37368692
23 100157418
24 268900827
25 723400570
26 1949440608
27 5262932344
28 14227803491
29 38529294292
30 104473993774
31 283672750693
32 771229441388

[0,1,1,4,9,22,54,139,346,892,2290,5945,15465,
 40527,106308,280629,742107,1969394,5239322,
 13980900,37368692,100157418,268900827,723400570,
 1949440608,5262932344,14227803491,38529294292,
 104473993774,283672750693,771229441388]

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Last modified February 22 12:31 EST 2024. Contains 370255 sequences. (Running on oeis4.)