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A221291 as a simple table

n a(n)
1 1
2 12
3 92
4 673
5 5912
6 48298
7 396846
8 3240527
9 26241353
10 211785583
11 1703772887
12 13679840407
13 109689414233
14 878752161168
15 7035829547262
16 56311795445487 

[1,12,92,673,5912,48298,396846,3240527,26241353,
 211785583,1703772887,13679840407,109689414233,
 878752161168,7035829547262,56311795445487]

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Last modified July 29 02:16 EDT 2024. Contains 374727 sequences. (Running on oeis4.)