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A263783 as a simple table

n a(n)
1 0
2 0
3 0
4 1
5 5
6 37
7 116
8 572
9 2042
10 9298
11 35064
12 149613
13 562785
14 2272083
15 8551255
16 33698121
17 127422730
18 495208463
19 1874278884
20 7209869659
21 27281399998
22 104270642849
23 394494583551
24 1501695837844
25 5679621795233
26 21560364546542

[0,0,0,1,5,37,116,572,2042,9298,35064,149613,
 562785,2272083,8551255,33698121,127422730,
 495208463,1874278884,7209869659,27281399998,
 104270642849,394494583551,1501695837844,
 5679621795233,21560364546542]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)