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A121680 as a simple table

n a(n)
0 1
1 2
2 12
3 76
4 655
5 6816
6 81690
7 1109816
8 16782399
9 278438740
10 5016899833
11 97368894756
12 2021749249403
13 44658312247290
14 1044437050070340
15 25757381769393392
16 667470006331599523
17 18119105978249333988

[1,2,12,76,655,6816,81690,1109816,16782399,
 278438740,5016899833,97368894756,2021749249403,
 44658312247290,1044437050070340,25757381769393392,
 667470006331599523,18119105978249333988]

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Last modified May 26 01:42 EDT 2024. Contains 372807 sequences. (Running on oeis4.)