A129339 - cp's OEIS frontend

A129339 Main diagonal of triangular array T: T(j,1) = 1 for ((j-1) mod 6) < 3, else 0; T(j,k) = T(j-1,k-1) + T(j,k-1) for 2 <= k <= j.

n	a(n)
1	1
2	2
3	4
4	7
5	11
6	16
7	23
8	37
9	74
10	175
11	431
12	1024
13	2291
14	4825
15	9650
16	18571
17	34955
18	65536
19	124511
20	242461
21	484922
22	989527
23	2038103
24	4194304
25	8565755
26	17308657
27	34617314
28	68703187
29	135812051
30	268435456
31	532087943
32	1059392917
33	2118785834

[1, 2, 4, 7, 11, 16, 23, 37, 74, 175, 431, 1024, 2291, 4825, 9650, 18571, 34955, 65536, 124511, 242461, 484922, 989527, 2038103, 4194304, 8565755, 17308657, 34617314, 68703187, 135812051, 268435456, 532087943, 1059392917, 2118785834]

cp's OEIS Frontend

A129339 Main diagonal of triangular array T: T(j,1) = 1 for ((j-1) mod 6) < 3, else 0; T(j,k) = T(j-1,k-1) + T(j,k-1) for 2 <= k <= j.

Table of values

List of values