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A300203 as a simple table

n a(n)
1 4
2 32
3 248
4 1933
5 15070
6 117494
7 916061
8 7142233
9 55685704
10 434163629
11 3385035032
12 26392036123
13 205770269515
14 1604325017633
15 12508409345459
16 97524069396190
17 760363995846334
18 5928315027859268
19 46221177306565661
20 360371745017815198

[4,32,248,1933,15070,117494,916061,7142233,
 55685704,434163629,3385035032,26392036123,
 205770269515,1604325017633,12508409345459,
 97524069396190,760363995846334,5928315027859268,
 46221177306565661,360371745017815198]

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Last modified September 18 23:16 EDT 2021. Contains 347548 sequences. (Running on oeis4.)