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A228563 as a simple table

n a(n)
0 1
1 1
2 3
3 13
4 109
5 1241
6 18541
7 340495
8 7475721
9 191215729
10 5590994041
11 184086712151
12 6745657327069
13 272484296020249
14 12037353264295269
15 577681783128081871
16 29946086856245571601
17 1668620115204908947937
18 99516760157428436346481
19 6329149392153729480812839

[1,1,3,13,109,1241,18541,340495,7475721,191215729,
 5590994041,184086712151,6745657327069,
 272484296020249,12037353264295269,
 577681783128081871,29946086856245571601,
 1668620115204908947937,99516760157428436346481,
 6329149392153729480812839]

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Last modified June 9 02:41 EDT 2024. Contains 373227 sequences. (Running on oeis4.)