# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a059588 Showing 1-1 of 1 %I A059588 #4 May 10 2013 12:44:34 %S A059588 2,4,20,312,67272,4295632512,18446744138139694080, %T A059588 340282366920938463850756233731336688000, %U A059588 115792089237316195423570985008687907862797890939426841022371924616155698285440 %N A059588 a(n)=Sum_{i=0..n} |stirling1(n,i)|*2^(2^i). %p A059588 with(combinat): for n from 0 to 10 do printf(`%d,`,sum(abs(stirling1(n,i))*2^(2^i), i=0..n)) od: %Y A059588 Cf. A059085, row sums of A059587. %K A059588 easy,nonn %O A059588 0,1 %A A059588 _Vladeta Jovovic_, Jan 23 2001 %E A059588 More terms from _James A. Sellers_, Jan 24 2001 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE