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A155645 as a simple table

n a(n)
0 1
1 12
2 84
3 558
4 3696
5 24582
6 164304
7 1103478
8 7444416
9 50431302
10 342941424
11 2340123798
12 16018069536
13 109949704422
14 756587236944
15 5217746494518
16 36054040477056
17 249557173431942
18 1729973554578864
19 12008254925383638

[1,12,84,558,3696,24582,164304,1103478,7444416,
 50431302,342941424,2340123798,16018069536,
 109949704422,756587236944,5217746494518,
 36054040477056,249557173431942,1729973554578864,
 12008254925383638]

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Last modified May 5 12:04 EDT 2024. Contains 372275 sequences. (Running on oeis4.)