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A212730 as a simple table

n a(n)
1 3
2 31
3 294
4 2727
5 25048
6 228826
7 2083371
8 18925047
9 171633840
10 1554702516
11 14069962041
12 127240600050
13 1150026301089
14 10389276050527
15 93819553163854
16 846952848390039
17 7643713441711560
18 68967751709641564
19 622154460094492809

[3,31,294,2727,25048,228826,2083371,18925047,
 171633840,1554702516,14069962041,127240600050,
 1150026301089,10389276050527,93819553163854,
 846952848390039,7643713441711560,
 68967751709641564,622154460094492809]

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Last modified April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)