A291861 - OEIS

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A291861 as a simple table

n	a(n)
1	43
2	337
3	117643
4	40353601
5	558545864083284001
6	1341068619663964900801
7	7730993719707444524137094401
8	256923577521058878088611477224235621321601
9	4318114567396436564035293097707728087552248843

[43,337,117643,40353601,558545864083284001, 1341068619663964900801, 7730993719707444524137094401, 256923577521058878088611477224235621321601, 4318114567396436564035293097707728087552248843]