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A074505 as a simple table

n a(n)
0 3
1 12
2 86
3 738
4 6578
5 59082
6 531506
7 4783098
8 43046978
9 387421002
10 3486785426
11 31381061658
12 282429540578
13 2541865836522
14 22876792471346
15 205891132127418
16 1853020188917378
17 16677181699797642
18 150094635297261266

[3,12,86,738,6578,59082,531506,4783098,43046978,
 387421002,3486785426,31381061658,282429540578,
 2541865836522,22876792471346,205891132127418,
 1853020188917378,16677181699797642,
 150094635297261266]

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)