A379099 - cp's OEIS frontend

A379099 a(n) = Sum_{k=0..n} binomial(2k, k)binomial(2*n, n)/(n + 1). Row sums of A379100.

n	a(n)
0	1
1	3
2	18
3	145
4	1386
5	14742
6	168300
7	2019303
8	25135110
9	321849814
10	4215006588
11	56222048610
12	761436454492
13	10446021648900
14	144895117640040
15	2029085114629545
16	28652994844093170
17	407600869429602090
18	5836323240704117700
19	84058779645184757490
20	1217059539049881032220

[1, 3, 18, 145, 1386, 14742, 168300, 2019303, 25135110, 321849814, 4215006588, 56222048610, 761436454492, 10446021648900, 144895117640040, 2029085114629545, 28652994844093170, 407600869429602090, 5836323240704117700, 84058779645184757490, 1217059539049881032220]

cp's OEIS Frontend

A379099 a(n) = Sum_{k=0..n} binomial(2k, k)binomial(2*n, n)/(n + 1). Row sums of A379100.

Table of values

List of values

cp's OEIS Frontend

A379099 a(n) = Sum_{k=0..n} binomial(2*k, k)*binomial(2*n, n)/(n + 1). Row sums of A379100.

Table of values

List of values

A379099 a(n) = Sum_{k=0..n} binomial(2k, k)binomial(2*n, n)/(n + 1). Row sums of A379100.