A379026 - cp's OEIS frontend

A379026 a(n) = Sum_{k=0..n} binomial(4n+k-1,k) binomial(4*n+k,n-k).

n	a(n)
0	1
1	8
2	136
3	2612
4	52888
5	1103248
6	23458756
7	505519792
8	11001461560
9	241240165796
10	5321735043496
11	117969960106380
12	2625673485660100
13	58638653062716488
14	1313363972969179904
15	29489827322243843032
16	663600214363813934328
17	14961465721142755457484

[1, 8, 136, 2612, 52888, 1103248, 23458756, 505519792, 11001461560, 241240165796, 5321735043496, 117969960106380, 2625673485660100, 58638653062716488, 1313363972969179904, 29489827322243843032, 663600214363813934328, 14961465721142755457484]

cp's OEIS Frontend

A379026 a(n) = Sum_{k=0..n} binomial(4n+k-1,k) binomial(4*n+k,n-k).

Table of values

List of values

cp's OEIS Frontend

A379026 a(n) = Sum_{k=0..n} binomial(4*n+k-1,k) * binomial(4*n+k,n-k).

Table of values

List of values

A379026 a(n) = Sum_{k=0..n} binomial(4n+k-1,k) binomial(4*n+k,n-k).