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A101030 as a simple table

n a(n)
1 0
2 0
3 2
4 0
5 2
6 21
7 0
8 2
9 45
10 232
11 0
12 2
13 93
14 784
15 3005
16 0
17 2
18 189
19 2536
20 13825
21 45936
22 0
23 2
24 381
25 7984
26 61325
27 264816
28 818503
29 0
30 2
31 765
32 24712
33 264625
34 1488096
35 5623681
36 16736896
37 0
38 2
39 1533
40 75664
41 1119005
42 8172576
43 38025127
44 132766208
45 387057609
46 0

[0,0,2,0,2,21,0,2,45,232,0,2,93,784,3005,0,2,189,
 2536,13825,45936,0,2,381,7984,61325,264816,818503,
 0,2,765,24712,264625,1488096,5623681,16736896,0,2,
 1533,75664,1119005,8172576,38025127,132766208,
 387057609,0]

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Last modified April 24 06:52 EDT 2024. Contains 371920 sequences. (Running on oeis4.)