%I #5 Dec 05 2013 19:55:53
%S 1,10,42,3432,1292,8970,3867821640,28505947,6015765,291350394048,
%T 4669201953800,704238991340621400,123500629308,
%U 49780393383679598758800,593102379638978068655414691072000,10407301672682207755
%N a(n) = A077540(n)/Pr(n), where Pr(n)= product of next n numbers. E.g. Pr(3) = 4*5*6.
%Y Cf. A077540, A077542.
%K nonn
%O 1,2
%A _Amarnath Murthy_, Nov 09 2002
%E Corrected and extended by _Ray Chandler_, Aug 23 2003