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A302732 as a simple table

n a(n)
1 0
2 421
3 4064
4 3316
5 17828
6 104969
7 532511
8 1932168
9 7608792
10 40495097
11 193959222
12 806044112
13 3571553560
14 16732139668
15 77717205902
16 345532208087
17 1548242747664
18 7108827463856
19 32520170426142
20 146833013273650
21 664181788383321

[0,421,4064,3316,17828,104969,532511,1932168,
 7608792,40495097,193959222,806044112,3571553560,
 16732139668,77717205902,345532208087,
 1548242747664,7108827463856,32520170426142,
 146833013273650,664181788383321]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)