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 A346792 #4 Aug 04 2021 16:42:04 %S A346792 1,-1,-1,0,0,1,0,3,1,-1,-4,-10,3,0,9,19,9,2,-44,-27,-40,-3,95,75,156, %T A346792 -36,-181,-274,-349,81,205,982,832,35,-596,-2587,-1803,-1259,2118, %U A346792 5876,5365,4922,-6811,-12175,-17181,-12932,14144,28575,53548,27663,-19181 %N A346792 G.f.: 1 / (1 + x + Sum_{k>=2} prime(k-1) * x^k). %F A346792 a(0) = 1; a(n) = -Sum_{k=1..n} A008578(k) * a(n-k). %t A346792 nmax = 50; CoefficientList[Series[1/(1 + x + Sum[Prime[k - 1] x^k, {k, 2, nmax}]), {x, 0, nmax}], x] %Y A346792 Cf. A000040, A008578, A030017, A030018, A300662, A346791. %K A346792 sign %O A346792 0,8 %A A346792 _Ilya Gutkovskiy_, Aug 04 2021