A179536 - cp's OEIS frontend

A179536 a(n) = Sum_{k=0..n} binomial(n,k)^2binomial(n-k,k)^2(-324)^k.

n	a(n)
0	1
1	1
2	-1295
3	-11663
4	3732481
5	94348801
6	-12754875599
7	-662010720335
8	43350090126337
9	4277886247480321
10	-117993200918257295
11	-25968226221675142415
12	13219198014412583425
13	148460113964113254411265

[1, 1, -1295, -11663, 3732481, 94348801, -12754875599, -662010720335, 43350090126337, 4277886247480321, -117993200918257295, -25968226221675142415, 13219198014412583425, 148460113964113254411265]

cp's OEIS Frontend

A179536 a(n) = Sum_{k=0..n} binomial(n,k)^2binomial(n-k,k)^2(-324)^k.

Table of values

List of values

cp's OEIS Frontend

A179536 a(n) = Sum_{k=0..n} binomial(n,k)^2*binomial(n-k,k)^2*(-324)^k.

Table of values

List of values

A179536 a(n) = Sum_{k=0..n} binomial(n,k)^2binomial(n-k,k)^2(-324)^k.