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A151327 as a simple table

n a(n)
0 1
1 3
2 15
3 76
4 413
5 2281
6 12889
7 73541
8 423921
9 2458383
10 14335834
11 83922633
12 492956132
13 2903156720
14 17135951352
15 101330250964
16 600140389918
17 3559105598556
18 21131319068601
19 125585737386758
20 747013179830622
21 4446753991483192
22 26487831271866795
23 157871848076357815
24 941434100552046728

[1,3,15,76,413,2281,12889,73541,423921,2458383,
 14335834,83922633,492956132,2903156720,
 17135951352,101330250964,600140389918,
 3559105598556,21131319068601,125585737386758,
 747013179830622,4446753991483192,
 26487831271866795,157871848076357815,
 941434100552046728]

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Last modified April 21 23:52 EDT 2021. Contains 343156 sequences. (Running on oeis4.)