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 A027483 #20 May 08 2025 08:55:44 %S A027483 176,2951,22535,112435,426475,1333906,3614226,8762370,19439970, %T A027483 40113425,77924561,143844701,254168005,432404980,711642100,1137438516, %U A027483 1771335876,2695062315,4015516715,5870624375,8436160271,11933641126,16639392550,22894902550,31118577750 %N A027483 Second subdiagonal of triangle A027478, constructed from the Stirling numbers of the first kind. %F A027483 a(n) = A027478(n,n+2). %F A027483 Conjectures from _Chai Wah Wu_, May 07 2025: (Start) %F A027483 a(n) = 9*a(n-1) - 36*a(n-2) + 84*a(n-3) - 126*a(n-4) + 126*a(n-5) - 84*a(n-6) + 36*a(n-7) - 9*a(n-8) + a(n-9) for n > 11. %F A027483 G.f.: x^3*(x^5 + 112*x^4 + 1072*x^3 + 2312*x^2 + 1367*x + 176)/(1 - x)^9. (End) %Y A027483 Cf. A027478. %K A027483 nonn,easy %O A027483 3,1 %A A027483 _Olivier Gérard_ %E A027483 More terms from _Sean A. Irvine_, Nov 06 2019