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A221867 as a simple table

n a(n)
1 54
2 218
3 222054
4 669806
5 155593313228
6 31860927184920
7 37843679840313254
8 5349233671440437948
9 65075392901385088766
10 102744428793110424984
11 251471854505406311064463
12 1074272348712875302655077
13 1114427338015137279788981 

[54,218,222054,669806,155593313228,31860927184920,
 37843679840313254,5349233671440437948,
 65075392901385088766,102744428793110424984,
 251471854505406311064463,
 1074272348712875302655077,
 1114427338015137279788981]

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Last modified August 14 10:08 EDT 2024. Contains 375159 sequences. (Running on oeis4.)