A371489 Row sums of A371259.

1, 37, 1865, 122961, 10278281, 1062714245, 133215991777, 19913088181377, 3500271565033393, 714944028588443461, 167950356430067342489, 44970653636552995400721, 13617086217015989835215993, 4630206565577103694905252965, 1756940670213816382344684605809, 739791104690854220148748269632001

Offset

3,2

Comments

Row sums of A371259 are the summed (2, 3)-Lah numbers (A371259).

Links

Table of n, a(n) for n=3..18.

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

Maple

T := proc(n) local T, k; T := proc(n, k) option remember; if
n = k then 1; elif k < 3 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 = 3 .. n); end proc; seq(T(n), n = 0 .. 18);

Crossrefs

Cf. A371259.

Sequence in context: A130013 A370149 A088872 * A025762 A297313 A297505

Adjacent sequences: A371486 A371487 A371488 * A371490 A371491 A371492

Keyword

nonn

Author

Aleks Zigon Tankosic, Apr 22 2024

Status

approved