A386834 - cp's OEIS frontend

A386834 a(n) = Sum_{k=0..n} binomial(4n+1,k) binomial(4*n-k-1,n-k).

n	a(n)
0	1
1	8
2	111
3	1738
4	28701
5	488412
6	8473387
7	148994510
8	2645999673
9	47349481408
10	852429930567
11	15421507805106
12	280126256513109
13	5105764838932388
14	93331970924544099
15	1710369544783134614
16	31412304686874624113
17	578023658034894471048
18	10654486069487503147135

[1, 8, 111, 1738, 28701, 488412, 8473387, 148994510, 2645999673, 47349481408, 852429930567, 15421507805106, 280126256513109, 5105764838932388, 93331970924544099, 1710369544783134614, 31412304686874624113, 578023658034894471048, 10654486069487503147135]

cp's OEIS Frontend

A386834 a(n) = Sum_{k=0..n} binomial(4n+1,k) binomial(4*n-k-1,n-k).

Table of values

List of values

cp's OEIS Frontend

A386834 a(n) = Sum_{k=0..n} binomial(4*n+1,k) * binomial(4*n-k-1,n-k).

Table of values

List of values

A386834 a(n) = Sum_{k=0..n} binomial(4n+1,k) binomial(4*n-k-1,n-k).