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A019488 as a simple table

n a(n)
0 1
1 21
2 307
3 3897
4 46243
5 529953
6 5961259
7 66380889
8 735097555
9 8115781905
10 89452902331
11 985061928201
12 10842178002787
13 119303005894977
14 1312567620466123
15 14439652232597433
16 158844629298359539

[1,21,307,3897,46243,529953,5961259,66380889,
 735097555,8115781905,89452902331,985061928201,
 10842178002787,119303005894977,1312567620466123,
 14439652232597433,158844629298359539]

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Last modified May 16 08:41 EDT 2024. Contains 372552 sequences. (Running on oeis4.)