A371488 Row sums of A371081.

1, 17, 453, 17465, 921233, 63789145, 5616599013, 613148157073, 81298838448001, 12871080897739073, 2398329378160629861, 519554377953510437129, 129472180384695112970705, 36773246580917492621295817, 11807854666147122586977709125, 4255708041349122783137436409249, 1710617624877842754809697811363969

Offset: 2

Author

Aleks Zigon Tankosic, Apr 22 2024

Keywords

• nonn

Comments

Row sums of A371081 are the summed (2, 2)-Lah numbers (A371081).

Links

• A. Žigon Tankosič, The (l,r)-Lah Numbers, Journal of Integer Sequences, Article 23.2.6, vol. 26 (2023).

Crossrefs

Cf. A371081.

Programs

Maple

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);