Search: id:A109792 Results 1-1 of 1 results found. %I A109792 %S A109792 1,3,14,70,444,3108,25584,230256,2342880,25771680,312888960,4067556480, %T A109792 57424792320,861371884800,13869128448000,235775183616000, %U A109792 4264876094976000,81032645804544000,1627055289796608000 %N A109792 E.g.f.: ln(1+x)/(1-x)^2. %F A109792 a(n) = n!*Sum(Sum((-1)^(i+1)/i, i=1..k), k=1..n). %Y A109792 Cf. A001705, A092692. %Y A109792 Sequence in context: A001579 A006772 A009020 this_sequence A137177 A158196 A009637 %Y A109792 Adjacent sequences: A109789 A109790 A109791 this_sequence A109793 A109794 A109795 %K A109792 easy,nonn %O A109792 1,2 %A A109792 Vladeta Jovovic (vladeta(AT)eunet.rs), Aug 14 2005 Search completed in 0.001 seconds