A137154 - cp's OEIS frontend

A137154 a(n) = Sum_{k=0..n} binomial(2^k + n-k-1, n-k); equals the row sums of triangle A137153.

n	a(n)
0	1
1	2
2	4
3	9
4	24
5	79
6	331
7	1803
8	12954
9	123983
10	1592513
11	27604172
12	648528166
13	20722205191
14	903019659239
15	53792176322629
16	4388683843024734
17	491232972054490915
18	75545748143323475653
19	15984344095578889888206

[1, 2, 4, 9, 24, 79, 331, 1803, 12954, 123983, 1592513, 27604172, 648528166, 20722205191, 903019659239, 53792176322629, 4388683843024734, 491232972054490915, 75545748143323475653, 15984344095578889888206]

cp's OEIS Frontend

A137154 a(n) = Sum_{k=0..n} binomial(2^k + n-k-1, n-k); equals the row sums of triangle A137153.

Table of values

List of values