A358145 - cp's OEIS frontend

A358145 a(n) = Sum_{k=0..n} binomial(nk,k) binomial(n*(n-k),n-k).

n	a(n)
0	1
1	2
2	16
3	258
4	6184
5	195660
6	7674144
7	358788696
8	19464910000
9	1201543131276
10	83134800597280
11	6371436086078382
12	535715287899894216
13	49025879014213908144
14	4850781409411286177248
15	515964243167132532702480
16	58710263012322890445554400

[1, 2, 16, 258, 6184, 195660, 7674144, 358788696, 19464910000, 1201543131276, 83134800597280, 6371436086078382, 535715287899894216, 49025879014213908144, 4850781409411286177248, 515964243167132532702480, 58710263012322890445554400]

cp's OEIS Frontend

A358145 a(n) = Sum_{k=0..n} binomial(nk,k) binomial(n*(n-k),n-k).

Table of values

List of values

cp's OEIS Frontend

A358145 a(n) = Sum_{k=0..n} binomial(n*k,k) * binomial(n*(n-k),n-k).

Table of values

List of values

A358145 a(n) = Sum_{k=0..n} binomial(nk,k) binomial(n*(n-k),n-k).