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A066581 Product of nonzero digits of A066547(n). 0

%I #2 Dec 05 2013 19:55:05

%S 1,6,120,504,2,60,336,288,40320,15552,1837080,1327104,309657600,

%T 393750000,2015539200,94097687040,1366159011840,54793045278720,

%U 140587147048320,720,3024,120960,10321920,28343520,334430208

%N Product of nonzero digits of A066547(n).

%e The third term of A066547 is 456 hence a(3) = 120.

%Y Cf. A066547.

%K easy,nonn,base

%O 1,2

%A _Amarnath Murthy_, Dec 21 2001

%E More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 01 2003

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Last modified May 8 19:26 EDT 2024. Contains 372341 sequences. (Running on oeis4.)