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 A043300 Denominator of L(n)=sum(k=1,n,k^n)/sum(k=1,n-1,k^n). 1
 1, 1, 49, 52, 20515, 7689, 1976849, 769072, 196573677, 1176564625, 2252928456427, 915495729492, 116920050750711, 202297407264253, 1206847874699507489, 1507470694179701824, 6945343389873635897155 (list; graph; refs; listen; history; text; internal format)
 OFFSET 2,3 COMMENTS L(n) has the amazing asymptotic development L(n)= e+ c(1)/n+c(2)/n^2+c(3)/n^3+... with c(1)=e(e+1)/2/(e-1) c(2)=e(11*e^3+3*e^2-51*e-11)/24/(e-1)^3 etc, where e =exp(1). REFERENCES "A sequence convergent to Napier's Constant" by Alexandru Lupas from the University "Lucian Blaga" of Sibiu / e-mail: lupas(AT)jupiter.sibiu.ro LINKS PROG (PARI) a(n) = denominator(sum(k = 1, n, k^n)/sum(k = 1, n-1, k^n)); \\ Michel Marcus, Nov 21 2013 CROSSREFS Cf. A043299. Sequence in context: A257443 A020276 A118073 * A304008 A305358 A140388 Adjacent sequences:  A043297 A043298 A043299 * A043301 A043302 A043303 KEYWORD easy,frac,nonn AUTHOR Benoit Cloitre, Apr 04 2002 STATUS approved

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Last modified October 18 10:59 EDT 2019. Contains 328147 sequences. (Running on oeis4.)