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A221689 as a simple table

n a(n)
1 6
2 152
3 3112
4 63676
5 1302720
6 26650988
7 545221260
8 11154026300
9 228186749552
10 4668196767064
11 95500991265668
12 1953739262283024
13 39969188300499044
14 817681276128120100
15 16727952148700884996
16 342216938625170086928

[6,152,3112,63676,1302720,26650988,545221260,
 11154026300,228186749552,4668196767064,
 95500991265668,1953739262283024,39969188300499044,
 817681276128120100,16727952148700884996,
 342216938625170086928]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)