This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A380427 #14 Jan 24 2025 11:59:39 %S A380427 1,-1,-3,-19,-211,-3301,-66581,-1643587,-47986247,-1617313033, %T A380427 -61796668969,-2639583958111,-124635062782187,-6446216079166189, %U A380427 -362427406400015165,-22008570202561166491,-1435560535563493528591,-100100185675457848764433,-7430481272601559979203409 %N A380427 E.g.f. A(x) satisfies A(x) = exp( -x/A(x) * exp(x/A(x)) ). %H A380427 Seiichi Manyama, <a href="/A380427/b380427.txt">Table of n, a(n) for n = 0..360</a> %F A380427 E.g.f.: 1/B(x), where B(x) is the e.g.f. of A162695. %F A380427 a(n) = -Sum_{k=1..n} k^(n-k) * (n-1)^(k-1) * binomial(n,k) for n > 0. %Y A380427 Cf. A162695, A380425, A380426. %Y A380427 Cf. A357247. %K A380427 sign %O A380427 0,3 %A A380427 _Seiichi Manyama_, Jan 24 2025