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A047790 as a simple table

n a(n)
0 0
1 0
2 0
3 1
4 6
5 24
6 81
7 250
8 732
9 2073
10 5742
11 15664
12 42273
13 113202
14 301428
15 799273
16 2112774
17 5571816
18 14668209
19 38563882
20 101285580
21 265817145
22 697214430
23 1827923296
24 4790749761
25 12552714594
26 32884171236
27 86133353545
28 225582998262
29 590749858968
30 1546935014097

[0,0,0,1,6,24,81,250,732,2073,5742,15664,42273,
 113202,301428,799273,2112774,5571816,14668209,
 38563882,101285580,265817145,697214430,1827923296,
 4790749761,12552714594,32884171236,86133353545,
 225582998262,590749858968,1546935014097]

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Last modified April 19 10:38 EDT 2024. Contains 371791 sequences. (Running on oeis4.)