Search: id:A001569 Results 1-1 of 1 results found. %I A001569 M2161 N0861 %S A001569 1,1,1,2,37,329,1501,31354,1451967,39284461,737652869,560823394,1103386777549, %T A001569 82520245792997,4398448305245905,168910341581721494,998428794798272641, %U A001569 720450682719825322809,105099789680808769094057,10594247095804692725600734 %V A001569 1,-1,-1,2,37,329,1501,-31354,-1451967,-39284461,-737652869,560823394, 1103386777549, %W A001569 82520245792997,4398448305245905,168910341581721494,998428794798272641, %X A001569 -720450682719825322809,-105099789680808769094057,-10594247095804692725600734 %N A001569 Sum_{n>=0} a(n)*x^n/n!^2 = BesselI(0,2*(1-exp(x))^(1/2)). %D A001569 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %D A001569 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %D A001569 S. M. Kerawala, Asymptotic solution of the "Probleme des menages", Bull. Calcutta Math. Soc., 39 (1947), 82-84. %F A001569 Let b(n) satisfy (n-2)*b(n)-n*(n-2)*b(n-1)-n*b(n-2)=0; write b(n)=(n!/ e^2)*(1+sum a_r/n^r, r=1..inf). %F A001569 a(n) = n!*Sum_{k=0..n} (-1)^k*Stirling2(n,k)/k!. - Vladeta Jovovic (vladeta(AT)eunet.rs), Jul 17 2006 %Y A001569 Sequence in context: A139119 A053788 A078976 this_sequence A092853 A100849 A120047 %Y A001569 Adjacent sequences: A001566 A001567 A001568 this_sequence A001570 A001571 A001572 %K A001569 sign,easy %O A001569 0,4 %A A001569 N. J. A. Sloane (njas(AT)research.att.com). %E A001569 More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Jul 17 2006 Search completed in 0.001 seconds