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A172928 as a simple table

n a(n)
1 1
2 1107
3 2186815
4 5796870115
5 18343212299091
6 65338547748658101
7 253310893747894263177
8 1046211088756248825569475
9 4539465445191675494919391795
10 20489936895192142861722091906537 

[1,1107,2186815,5796870115,18343212299091,
 65338547748658101,253310893747894263177,
 1046211088756248825569475,
 4539465445191675494919391795,
 20489936895192142861722091906537]

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Last modified April 18 06:24 EDT 2024. Contains 371769 sequences. (Running on oeis4.)