A050143 - cp's OEIS frontend

A050143 A(n,k) = Sum_{h=0..n-1, m=0..k} A(h,m) for n >= 1 and k >= 1, with A(n,0) = 1 for n >= 0 and A(0,k) = 0 for k >= 1; square array A, read by descending antidiagonals.

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	1
7	0
8	1
9	3
10	1
11	0
12	1
13	4
14	7
15	1
16	0
17	1
18	5
19	12
20	15
21	1
22	0
23	1
24	6
25	18
26	32
27	31
28	1
29	0
30	1
31	7
32	25
33	56
34	80
35	63
36	1
37	0
38	1
39	8
40	33
41	88
42	160
43	192
44	127
45	1
46	0
47	1
48	9
49	42
50	129
51	280
52	432
53	448
54	255
55	1
56	0
57	1
58	10
59	52
60	180
61	450
62	832
63	1120
64	1024
65	511
66	1

[1, 0, 1, 0, 1, 1, 0, 1, 3, 1, 0, 1, 4, 7, 1, 0, 1, 5, 12, 15, 1, 0, 1, 6, 18, 32, 31, 1, 0, 1, 7, 25, 56, 80, 63, 1, 0, 1, 8, 33, 88, 160, 192, 127, 1, 0, 1, 9, 42, 129, 280, 432, 448, 255, 1, 0, 1, 10, 52, 180, 450, 832, 1120, 1024, 511, 1]

cp's OEIS Frontend

A050143 A(n,k) = Sum_{h=0..n-1, m=0..k} A(h,m) for n >= 1 and k >= 1, with A(n,0) = 1 for n >= 0 and A(0,k) = 0 for k >= 1; square array A, read by descending antidiagonals.

Table of values

List of values