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 A371488 #11 May 19 2024 05:15:59 %S A371488 1,17,453,17465,921233,63789145,5616599013,613148157073, %T A371488 81298838448001,12871080897739073,2398329378160629861, %U A371488 519554377953510437129,129472180384695112970705,36773246580917492621295817,11807854666147122586977709125,4255708041349122783137436409249,1710617624877842754809697811363969 %N A371488 Row sums of A371081. %C A371488 Row sums of A371081 are the summed (2, 2)-Lah numbers (A371081). %H A371488 A. Žigon Tankosič, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL26/Tankosic/tank2.html">The (l,r)-Lah Numbers</a>, Journal of Integer Sequences, Article 23.2.6, vol. 26 (2023). %p A371488 T := proc(n) local T, k; T := proc(n, k) option remember; if n = k then 1; elif k < 2 or n < k then 0; else T(n - 1, k - 1) + (n + k - 1)^2*T(n - 1, k); end if; end proc; add(T(n, k), k = 2 .. n); end proc; seq(T(n), n = 0 .. 18); %Y A371488 Cf. A371081. %K A371488 nonn %O A371488 2,2 %A A371488 _Aleks Zigon Tankosic_, Apr 22 2024