A172596 - OEIS

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A172596 as a simple table

n	a(n)
1	1
2	273957842462220
3	2460737690938850798370391240644900
4	15195407946323194013765595656097788013666363361791048000
5	13223617955495651593814858107477805060086684838739019514933477474642809905360000

[1,273957842462220, 2460737690938850798370391240644900, 15195407946323194013765595656097788013666363361791\ 048000, 13223617955495651593814858107477805060086684838739\ 019514933477474642809905360000]