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A246417 as a simple table

n a(n)
1 0
2 0
3 1
4 7
5 36
6 171
7 813
8 4012
9 25931
10 342263
11 6498746
12 116477549
13 1839530421
14 26071946330
15 339710531761
16 4165394873379
17 50578180795388
18 717354862704287
19 15348610400624113
20 466529833772501084
21 15332096138370552335 

[0,0,1,7,36,171,813,4012,25931,342263,6498746,
 116477549,1839530421,26071946330,339710531761,
 4165394873379,50578180795388,717354862704287,
 15348610400624113,466529833772501084,
 15332096138370552335]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)