A361829 - cp's OEIS frontend

A361829 a(n) = Sum_{k=0..n} binomial(2k,k) binomial(n*k,n-k).

n	a(n)
0	1
1	2
2	10
3	62
4	486
5	4482
6	47106
7	553226
8	7152438
9	100644194
10	1527758136
11	24839853326
12	430045385424
13	7888706328934
14	152685931935634
15	3106864307092950
16	66253232332628166
17	1476558925897693698
18	34307420366092350048
19	829217371825336147142

[1, 2, 10, 62, 486, 4482, 47106, 553226, 7152438, 100644194, 1527758136, 24839853326, 430045385424, 7888706328934, 152685931935634, 3106864307092950, 66253232332628166, 1476558925897693698, 34307420366092350048, 829217371825336147142]

cp's OEIS Frontend

A361829 a(n) = Sum_{k=0..n} binomial(2k,k) binomial(n*k,n-k).

Table of values

List of values

cp's OEIS Frontend

A361829 a(n) = Sum_{k=0..n} binomial(2*k,k) * binomial(n*k,n-k).

Table of values

List of values

A361829 a(n) = Sum_{k=0..n} binomial(2k,k) binomial(n*k,n-k).