A068099

a(1) = 1; a(n+1) = n! * Sum_{d|n} a(d)/d where the sum is over the positive divisors d of n.

1, 1, 3, 12, 108, 2712, 327240, 235617840, 1187514095040, 47880568312738560, 17374900629326652478080, 63050039403700556512496620800, 2516755812869634374198025332292672000, 1205530061173855456655852851008721562502220800, 7506860765954870344789494144970610151113904559133260800

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