A366038 - cp's OEIS frontend

A366038 a(n) = (1/(n+1)) * Sum_{k=0..n} binomial(n+k,k) * binomial(n(n+1),n-k) n^k.

n	a(n)
0	1
1	2
2	25
3	658
4	27193
5	1548526
6	112916830
7	10062563610
8	1061196371665
9	129369938790070
10	17909387604206371
11	2776290021986848588
12	476539253976442601735
13	89736215305419802692184
14	18395742890606906720656524
15	4078527943680251523126851306
16	972490249766494185823234587681

[1, 2, 25, 658, 27193, 1548526, 112916830, 10062563610, 1061196371665, 129369938790070, 17909387604206371, 2776290021986848588, 476539253976442601735, 89736215305419802692184, 18395742890606906720656524, 4078527943680251523126851306, 972490249766494185823234587681]

cp's OEIS Frontend

A366038 a(n) = (1/(n+1)) * Sum_{k=0..n} binomial(n+k,k) * binomial(n(n+1),n-k) n^k.

Table of values

List of values

cp's OEIS Frontend

A366038 a(n) = (1/(n+1)) * Sum_{k=0..n} binomial(n+k,k) * binomial(n*(n+1),n-k) * n^k.

Table of values

List of values

A366038 a(n) = (1/(n+1)) * Sum_{k=0..n} binomial(n+k,k) * binomial(n(n+1),n-k) n^k.