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Row sums of A371277.
0

%I #14 Jul 07 2024 13:17:13

%S 1,65,8281,1832833,648383681,344889060481,263241070687225,

%T 277821953546314241,393388714018670749633,728818437848717556976321,

%U 1729501321168395811504313561,5161574686582090379099550582145,19067391184605659825359397658612481,85976151321068604971683536102183592193

%N Row sums of A371277.

%H 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 a := 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)^3*T(n - 1, k); end if; end proc; add(T(n, k), k = 2 .. n); end proc:

%p seq(a(n), n = 0 .. 18);

%Y Cf. A371277.

%K nonn

%O 2,2

%A _Aleks Zigon Tankosic_, Jun 17 2024