A261960 - cp's OEIS frontend

A261960 Number A(n,k) of compositions of n such that no part equals any of its k immediate predecessors; square array A(n,k), n>=0, k>=0, read by antidiagonals.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	1
9	4
10	1
11	1
12	1
13	3
14	8
15	1
16	1
17	1
18	3
19	4
20	16
21	1
22	1
23	1
24	3
25	3
26	7
27	32
28	1
29	1
30	1
31	3
32	3
33	5
34	14
35	64
36	1
37	1
38	1
39	3
40	3
41	5
42	11
43	23
44	128
45	1
46	1
47	1
48	3
49	3
50	5
51	11
52	15
53	39
54	256
55	1
56	1
57	1
58	3
59	3
60	5
61	11
62	13
63	23
64	71
65	512
66	1
67	1
68	1
69	3
70	3
71	5
72	11
73	13
74	19
75	37
76	124
77	1024

[1, 1, 1, 1, 1, 2, 1, 1, 1, 4, 1, 1, 1, 3, 8, 1, 1, 1, 3, 4, 16, 1, 1, 1, 3, 3, 7, 32, 1, 1, 1, 3, 3, 5, 14, 64, 1, 1, 1, 3, 3, 5, 11, 23, 128, 1, 1, 1, 3, 3, 5, 11, 15, 39, 256, 1, 1, 1, 3, 3, 5, 11, 13, 23, 71, 512, 1, 1, 1, 3, 3, 5, 11, 13, 19, 37, 124, 1024]

cp's OEIS Frontend

A261960 Number A(n,k) of compositions of n such that no part equals any of its k immediate predecessors; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values