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A230367 as a simple table

n a(n)
2 1
3 3
4 15
5 142
6 4300
7 384199
8 98654374
9 70130880569
10 136638863494089
11 730439999032117301
12 10764688922047900738650
13 439762062635963206090747374
14 50066701349010686289507943943535
15 15962815411172611585301863116082363362
16 14314975828662356561039590680011420432741442
17 36247244119877673111912410070361564495415461430358

[1,3,15,142,4300,384199,98654374,70130880569,
 136638863494089,730439999032117301,
 10764688922047900738650,
 439762062635963206090747374,
 50066701349010686289507943943535,
 15962815411172611585301863116082363362,
 14314975828662356561039590680011420432741442,
 36247244119877673111912410070361564495415461430358\
 ]

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Last modified September 18 05:55 EDT 2024. Contains 375996 sequences. (Running on oeis4.)