A105557 - cp's OEIS frontend

A105557 Row sums of triangle A105556, in which column n equals the row sums of A001263^n, which is the n-th matrix power of the Narayana triangle A001263.

n	a(n)
0	1
1	2
2	4
3	10
4	32
5	128
6	626
7	3681
8	25574
9	206402
10	1908996
11	20024149
12	236142157
13	3106393358
14	45265833590
15	726249472784
16	12761749378320
17	244453274012442
18	5082582988294164
19	114258645210526486
20	2767462674168199303

[1, 2, 4, 10, 32, 128, 626, 3681, 25574, 206402, 1908996, 20024149, 236142157, 3106393358, 45265833590, 726249472784, 12761749378320, 244453274012442, 5082582988294164, 114258645210526486, 2767462674168199303]

cp's OEIS Frontend

A105557 Row sums of triangle A105556, in which column n equals the row sums of A001263^n, which is the n-th matrix power of the Narayana triangle A001263.

Table of values

List of values