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A246818 as a simple table

n a(n)
0 1
1 0
2 1
3 4
4 32
5 277
6 3179
7 41799
8 632365
9 10922385
10 210953381
11 4498975425
12 105131807571
13 2672061475343
14 73358721633794
15 2163013965362752
16 68174082537113173
17 2287395123402364673
18 81397403660409278779
19 3061825168335759481187
20 121385088042529743488517
21 5058460899905730365609710

[1,0,1,4,32,277,3179,41799,632365,10922385,
 210953381,4498975425,105131807571,2672061475343,
 73358721633794,2163013965362752,68174082537113173,
 2287395123402364673,81397403660409278779,
 3061825168335759481187,121385088042529743488517,
 5058460899905730365609710]

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)