A105478 - cp's OEIS frontend

A105478 Triangle read by rows: T(n,k) is the number of compositions of n into k parts when parts 1 and 2 are of two kinds.

n	a(n)
1	2
2	2
3	4
4	1
5	8
6	8
7	1
8	8
9	24
10	16
11	1
12	8
13	36
14	64
15	32
16	1
17	9
18	44
19	128
20	160
21	64
22	1
23	10
24	54
25	192
26	400
27	384
28	128
29	1
30	11
31	66
32	264
33	720
34	1152
35	896
36	256
37	1
38	12
39	79
40	352
41	1120
42	2432
43	3136
44	2048
45	512
46	1
47	13
48	93
49	456
50	1632
51	4272
52	7616
53	8192
54	4608
55	1024
56	1
57	14
58	108
59	576
60	2280
61	6816

[2, 2, 4, 1, 8, 8, 1, 8, 24, 16, 1, 8, 36, 64, 32, 1, 9, 44, 128, 160, 64, 1, 10, 54, 192, 400, 384, 128, 1, 11, 66, 264, 720, 1152, 896, 256, 1, 12, 79, 352, 1120, 2432, 3136, 2048, 512, 1, 13, 93, 456, 1632, 4272, 7616, 8192, 4608, 1024, 1, 14, 108, 576, 2280, 6816]

cp's OEIS Frontend

A105478 Triangle read by rows: T(n,k) is the number of compositions of n into k parts when parts 1 and 2 are of two kinds.

Table of values

List of values