Search: id:A155456
Results 1-1 of 1 results found.

%I A155456
%S A155456 1,1,1,2,6,24,120,720,5040,40320,362880,3628800,39916800,
%T A155456 479001600,6227020800,87178291200,1307674368000,20922789888000,
%U A155456 355687428096000,6402373705728000,121645100408832000
%V A155456 -1,-1,1,-2,6,-24,120,-720,5040,-40320,362880,-3628800,39916800,
%W A155456 -479001600,6227020800,-87178291200,1307674368000,-20922789888000,
%X A155456 355687428096000,-6402373705728000,121645100408832000
%N A155456 Write (1+1/x)*log(1+x) = Sum c(n)*x^n; then a(n) = (n+1)!*c(n).
%C A155456 Apart from initial terms and signs, identical to A000142.
%H A155456 P. W. Anderson, D. J. Thouless, E. Abrahams and D. S. Fisher, <a href="http:/
               /scholar.google.com/scholar?hl=en&lr=&safe=off&cluster=17075446093910447147">
               New method for a scaling theory of localization</a>, Physical Review 
               B, 1980.
%t A155456 p[x] = -(1 + 1/x)*Log[1 + x];
%t A155456 Table[ (n + 1)!*SeriesCoefficient[ Series[p[x], {x, 0, 30}], n], {n, 
               0, 30}]
%Y A155456 Sequence in context: A154658 A072167 A154659 this_sequence A000142 A104150 
               A124355
%Y A155456 Adjacent sequences: A155453 A155454 A155455 this_sequence A155457 A155458 
               A155459
%K A155456 sign
%O A155456 0,4
%A A155456 Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Jan 22 2009
%E A155456 Edited by N. J. A. Sloane, Jun 02 2009

Search completed in 0.001 seconds