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A258297 as a simple table

n a(n)
0 1
1 1
2 13
3 331
4 13561
5 776594
6 57773582
7 5320252480
8 586352480958
9 75438829494131
10 11116206652400681
11 1848033852642973772
12 342436117841931383400
13 70020229273505952925559
14 15667865938977592230047929
15 3809417116914053901413289249
16 1000291703885548521424635046427

[1,1,13,331,13561,776594,57773582,5320252480,
 586352480958,75438829494131,11116206652400681,
 1848033852642973772,342436117841931383400,
 70020229273505952925559,
 15667865938977592230047929,
 3809417116914053901413289249,
 1000291703885548521424635046427]

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Last modified January 22 21:47 EST 2022. Contains 350504 sequences. (Running on oeis4.)