A082148 - cp's OEIS frontend

A082148 a(0)=1; for n >= 1, a(n) = Sum_{k=0..n} 10^kN(n,k), where N(n,k) = (1/n)C(n,k)*C(n,k+1) are the Narayana numbers (A001263).

n	a(n)
0	1
1	1
2	11
3	131
4	1661
5	22101
6	305151
7	4335711
8	63009881
9	932449961
10	14004694451
11	212944033051
12	3271618296661
13	50711564152381
14	792088104593511
15	12454801769554551
16	196991734871121201
17	3131967533789345361
18	50026642742943415131
19	802406215117502069811

[1, 1, 11, 131, 1661, 22101, 305151, 4335711, 63009881, 932449961, 14004694451, 212944033051, 3271618296661, 50711564152381, 792088104593511, 12454801769554551, 196991734871121201, 3131967533789345361, 50026642742943415131, 802406215117502069811]

cp's OEIS Frontend

A082148 a(0)=1; for n >= 1, a(n) = Sum_{k=0..n} 10^kN(n,k), where N(n,k) = (1/n)C(n,k)*C(n,k+1) are the Narayana numbers (A001263).

Table of values

List of values

cp's OEIS Frontend

A082148 a(0)=1; for n >= 1, a(n) = Sum_{k=0..n} 10^k*N(n,k), where N(n,k) = (1/n)*C(n,k)*C(n,k+1) are the Narayana numbers (A001263).

Table of values

List of values

A082148 a(0)=1; for n >= 1, a(n) = Sum_{k=0..n} 10^kN(n,k), where N(n,k) = (1/n)C(n,k)*C(n,k+1) are the Narayana numbers (A001263).