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A221541 as a simple table

n a(n)
1 0
2 7
3 44
4 350
5 2658
6 20386
7 156098
8 1195561
9 9156379
10 70126074
11 537074685
12 4113296146
13 31502516844
14 241268447450
15 1847803587081
16 14151780448318
17 108384295414048
18 830083220654363
19 6357361558503534
20 48689149448999134 

[0,7,44,350,2658,20386,156098,1195561,9156379,
 70126074,537074685,4113296146,31502516844,
 241268447450,1847803587081,14151780448318,
 108384295414048,830083220654363,6357361558503534,
 48689149448999134]

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Last modified April 25 09:49 EDT 2024. Contains 371967 sequences. (Running on oeis4.)