A131023 - cp's OEIS frontend

A131023 First subdiagonal 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-1,k) for 2 <= k <= j.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	14
8	37
9	101
10	256
11	593
12	1267
13	2534
14	4825
15	8921
16	16384
17	30581
18	58975
19	117950
20	242461
21	504605
22	1048576
23	2156201
24	4371451
25	8742902
26	17308657
27	34085873
28	67108864
29	132623405
30	263652487
31	527304974
32	1059392917
33	2133134741

[1, 2, 3, 4, 5, 7, 14, 37, 101, 256, 593, 1267, 2534, 4825, 8921, 16384, 30581, 58975, 117950, 242461, 504605, 1048576, 2156201, 4371451, 8742902, 17308657, 34085873, 67108864, 132623405, 263652487, 527304974, 1059392917, 2133134741]

cp's OEIS Frontend

A131023 First subdiagonal 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-1,k) for 2 <= k <= j.

Table of values

List of values