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A172241 as a simple table

n a(n)
1 0
2 3
3 28
4 227
5 1820
6 14563
7 116508
8 932067
9 7456540
10 59652323
11 477218588
12 3817748707
13 30541989660
14 244335917283
15 1954687338268
16 15637498706147
17 125099989649180
18 1000799917193443
19 8006399337547548
20 64051194700380387

[0,3,28,227,1820,14563,116508,932067,7456540,
 59652323,477218588,3817748707,30541989660,
 244335917283,1954687338268,15637498706147,
 125099989649180,1000799917193443,8006399337547548,
 64051194700380387]

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Last modified May 18 23:43 EDT 2024. Contains 372666 sequences. (Running on oeis4.)