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A263026 as a simple table

n a(n)
1 1
2 28
3 1810
4 226558
5 48859606
6 16717044358
7 8536211225830
8 6206816010688678
9 6191950081736354086
10 8223501207813329312038
11 14182148054223247947725350
12 31102596462109513014876988198
13 85207893723061275473574262742566
14 287156553366174285430392015701185318
15 1174632657911183483067648902342293048870 

[1,28,1810,226558,48859606,16717044358,
 8536211225830,6206816010688678,
 6191950081736354086,8223501207813329312038,
 14182148054223247947725350,
 31102596462109513014876988198,
 85207893723061275473574262742566,
 287156553366174285430392015701185318,
 1174632657911183483067648902342293048870]

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Last modified August 19 15:59 EDT 2024. Contains 375310 sequences. (Running on oeis4.)