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A091056 as a simple table

n a(n)
0 0
1 0
2 1
3 5
4 33
5 193
6 1169
7 6993
8 42001
9 251921
10 1511697
11 9069841
12 54419729
13 326517009
14 1959104785
15 11754623249
16 70527750417
17 423166480657
18 2538998927633
19 15233993478417
20 91403961045265
21 548423765922065

[0,0,1,5,33,193,1169,6993,42001,251921,1511697,
 9069841,54419729,326517009,1959104785,11754623249,
 70527750417,423166480657,2538998927633,
 15233993478417,91403961045265,548423765922065]

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Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)