A181289 - cp's OEIS frontend

A181289 Triangle read by rows: T(n,k) is the number of 2-compositions of n having length k (0 <= k <= n).

n	a(n)
0	1
1	0
2	2
3	0
4	3
5	4
6	0
7	4
8	12
9	8
10	0
11	5
12	25
13	36
14	16
15	0
16	6
17	44
18	102
19	96
20	32
21	0
22	7
23	70
24	231
25	344
26	240
27	64
28	0
29	8
30	104
31	456
32	952
33	1040
34	576
35	128
36	0
37	9
38	147
39	819
40	2241
41	3400
42	2928
43	1344
44	256
45	0
46	10
47	200
48	1372
49	4712
50	9290
51	11040
52	7840
53	3072
54	512
55	0
56	11
57	264
58	2178
59	9108
60	22363

[1, 0, 2, 0, 3, 4, 0, 4, 12, 8, 0, 5, 25, 36, 16, 0, 6, 44, 102, 96, 32, 0, 7, 70, 231, 344, 240, 64, 0, 8, 104, 456, 952, 1040, 576, 128, 0, 9, 147, 819, 2241, 3400, 2928, 1344, 256, 0, 10, 200, 1372, 4712, 9290, 11040, 7840, 3072, 512, 0, 11, 264, 2178, 9108, 22363]

cp's OEIS Frontend

A181289 Triangle read by rows: T(n,k) is the number of 2-compositions of n having length k (0 <= k <= n).

Table of values

List of values