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A327871 as a simple table

n a(n)
0 1
1 1
2 3
3 14
4 70
5 369
6 2002
7 11076
8 62127
9 352070
10 2010998
11 11559030
12 66780155
13 387444085
14 2255875650
15 13174629240
16 77143234950
17 452738296890
18 2662359410158
19 15683996769460
20 92540962166016
21 546799192200261
22 3235027635603828
23 19161631961190036
24 113617798289197650

[1,1,3,14,70,369,2002,11076,62127,352070,2010998,
 11559030,66780155,387444085,2255875650,
 13174629240,77143234950,452738296890,
 2662359410158,15683996769460,92540962166016,
 546799192200261,3235027635603828,
 19161631961190036,113617798289197650]

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Last modified January 21 04:53 EST 2020. Contains 331104 sequences. (Running on oeis4.)