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A187982 as a simple table

n a(n)
1 0
2 3
3 7
4 22
5 82
6 260
7 912
8 3158
9 10920
10 38385
11 134652
12 474953
13 1680801
14 5960094
15 21192029
16 75492493
17 269409262
18 963003740
19 3447075784
20 12354841859
21 44333177653
22 159250306113
23 572602762173
24 2060689223094
25 7422109110741
26 26752896159623
27 96498088175421
28 348296867524920
29 1257893866073062
30 4545530514677703
31 16434464166065112

[0,3,7,22,82,260,912,3158,10920,38385,134652,
 474953,1680801,5960094,21192029,75492493,
 269409262,963003740,3447075784,12354841859,
 44333177653,159250306113,572602762173,
 2060689223094,7422109110741,26752896159623,
 96498088175421,348296867524920,1257893866073062,
 4545530514677703,16434464166065112]

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Last modified May 19 23:42 EDT 2024. Contains 372703 sequences. (Running on oeis4.)