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A208873 as a simple table

n a(n)
1 2
2 12
3 136
4 1798
5 24472
6 334618
7 4578580
8 62655190
9 857412640
10 11733394642
11 160567489036
12 2197311225838
13 30069453572632
14 411490201499818
15 5631102858140740
16 77059719245016070
17 1054535937228511120

[2,12,136,1798,24472,334618,4578580,62655190,
 857412640,11733394642,160567489036,2197311225838,
 30069453572632,411490201499818,5631102858140740,
 77059719245016070,1054535937228511120]

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Last modified May 31 22:18 EDT 2023. Contains 363068 sequences. (Running on oeis4.)