A275438 - cp's OEIS frontend

A275438 Triangle read by rows: T(n,k) is the number of compositions of n with parts in {1,2} having asymmetry degree equal to k (n>=0; 0<=k<=floor(n/3)).

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	3
6	2
7	2
8	6
9	5
10	4
11	4
12	3
13	14
14	4
15	8
16	10
17	16
18	5
19	30
20	12
21	8
22	13
23	20
24	48
25	8
26	8
27	60
28	36
29	40
30	21
31	40
32	124
33	32
34	16
35	13
36	116
37	88
38	144
39	16
40	34
41	76
42	292
43	112
44	96
45	21
46	218
47	204
48	432
49	80
50	32
51	55
52	142
53	648
54	320
55	400
56	32
57	34
58	402
59	444
60	1160
61	320
62	224

[1, 1, 2, 1, 2, 3, 2, 2, 6, 5, 4, 4, 3, 14, 4, 8, 10, 16, 5, 30, 12, 8, 13, 20, 48, 8, 8, 60, 36, 40, 21, 40, 124, 32, 16, 13, 116, 88, 144, 16, 34, 76, 292, 112, 96, 21, 218, 204, 432, 80, 32, 55, 142, 648, 320, 400, 32, 34, 402, 444, 1160, 320, 224]

cp's OEIS Frontend

A275438 Triangle read by rows: T(n,k) is the number of compositions of n with parts in {1,2} having asymmetry degree equal to k (n>=0; 0<=k<=floor(n/3)).

Table of values

List of values