%I A004996
%S A004996 1,6,90,1980,50490,1393524,40412196,1212365880,37280250810,
%T A004996 1168114525380,37146041907084,1195427166827976,
%U A004996 38851382921909220,1273129932671794440,42013287778169216520
%V A004996 1,-6,-90,-1980,-50490,-1393524,-40412196,-1212365880,-37280250810,
%W A004996 -1168114525380,-37146041907084,-1195427166827976,
%X A004996 -38851382921909220,-1273129932671794440,-42013287778169216520
%N A004996 6^n/n!*product[ k=0..n-1 ](6*k - 1).
%F A004996 A(x) = (1 - 36*x)^(1/6).
%F A004996 a(n) ~ -1/6*Gamma(5/6)^-1*n^(-7/6)*6^(2*n)*{1 + 7/72*n^-1 + ...}. - Joe 
               Keane (jgk(AT)jgk.org), Nov 24 2001
%Y A004996 Sequence in context: A006480 A138462 A002896 this_sequence A001499 A147630 
               A132467
%Y A004996 Adjacent sequences: A004993 A004994 A004995 this_sequence A004997 A004998 
               A004999
%K A004996 sign
%O A004996 0,2
%A A004996 Joe Keane (jgk(AT)jgk.org)