A369518 - cp's OEIS frontend

A369518 Array read by downward antidiagonals: A(n,k) = Sum_{j=0..k + (k mod 3) + 1} A(n-1,j) with A(0,k) = 1, n >= 0, k >= 0.

n	a(n)
0	1
1	1
2	2
3	1
4	4
5	6
6	1
7	6
8	17
9	23
10	1
11	5
12	33
13	80
14	103
15	1
16	7
17	24
18	184
19	408
20	511
21	1
22	9
23	41
24	121
25	1054
26	2208
27	2719
28	1
29	8
30	63
31	235
32	643
33	6196
34	12486
35	15205
36	1
37	10
38	51
39	411
40	1363
41	3571
42	37244
43	72992
44	88197
45	1
46	12
47	74
48	309
49	2625
50	8057
51	20543
52	228092
53	437821
54	526018

[1, 1, 2, 1, 4, 6, 1, 6, 17, 23, 1, 5, 33, 80, 103, 1, 7, 24, 184, 408, 511, 1, 9, 41, 121, 1054, 2208, 2719, 1, 8, 63, 235, 643, 6196, 12486, 15205, 1, 10, 51, 411, 1363, 3571, 37244, 72992, 88197, 1, 12, 74, 309, 2625, 8057, 20543, 228092, 437821, 526018]

cp's OEIS Frontend

A369518 Array read by downward antidiagonals: A(n,k) = Sum_{j=0..k + (k mod 3) + 1} A(n-1,j) with A(0,k) = 1, n >= 0, k >= 0.

Table of values

List of values