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A309301 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 1
5 3
6 9
7 23
8 60
9 150
10 354
11 843
12 1983
13 4608
14 10638
15 24318
16 55043
17 123862
18 276868
19 614996
20 1359446
21 2990726
22 6550528
23 14292132
24 31069860
25 67316446
26 145403700
27 313177200
28 672746880
29 1441600632
30 3082042512
31 6575014400
32 13998418584
33 29746639512

[0,0,0,0,1,3,9,23,60,150,354,843,1983,4608,10638,
 24318,55043,123862,276868,614996,1359446,2990726,
 6550528,14292132,31069860,67316446,145403700,
 313177200,672746880,1441600632,3082042512,
 6575014400,13998418584,29746639512]

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Last modified May 1 07:19 EDT 2024. Contains 372149 sequences. (Running on oeis4.)