A181304 - cp's OEIS frontend

A181304 Triangle read by rows: T(n,k) is the number of 2-compositions of n having k columns with increasing entries (0<=k<=n).

n	a(n)
0	1
1	1
2	1
3	3
4	3
5	1
6	7
7	11
8	5
9	1
10	18
11	33
12	23
13	7
14	1
15	44
16	100
17	87
18	39
19	9
20	1
21	110
22	288
23	310
24	177
25	59
26	11
27	1
28	272
29	820
30	1036
31	728
32	311
33	83
34	13
35	1
36	676
37	2288
38	3338
39	2768
40	1450
41	497
42	111
43	15
44	1
45	1676
46	6316
47	10416
48	9976
49	6172
50	2588
51	743
52	143
53	17
54	1
55	4160
56	17244
57	31752
58	34448

[1, 1, 1, 3, 3, 1, 7, 11, 5, 1, 18, 33, 23, 7, 1, 44, 100, 87, 39, 9, 1, 110, 288, 310, 177, 59, 11, 1, 272, 820, 1036, 728, 311, 83, 13, 1, 676, 2288, 3338, 2768, 1450, 497, 111, 15, 1, 1676, 6316, 10416, 9976, 6172, 2588, 743, 143, 17, 1, 4160, 17244, 31752, 34448]

cp's OEIS Frontend

A181304 Triangle read by rows: T(n,k) is the number of 2-compositions of n having k columns with increasing entries (0<=k<=n).

Table of values

List of values