A180264 - cp's OEIS frontend

A180264 Triangle, row sums = A006054; derived from an infinite lower triangular matrix with (1,1,1,...) as the leftmost column and (1,2,1,1,1,...) as other columns.

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	1
7	1
8	1
9	4
10	5
11	1
12	1
13	2
14	10
15	11
16	1
17	1
18	2
19	5
20	22
21	25
22	1
23	1
24	2
25	5
26	11
27	50
28	56
29	1
30	1
31	2
32	5
33	11
34	50
35	56
36	1
37	1
38	2
39	5
40	11
41	25
42	112
43	126
44	1
45	1
46	2
47	5
48	11
49	25
50	56
51	252
52	283
53	1
54	1
55	2
56	5
57	11
58	25
59	56
60	126
61	566
62	636
63	1
64	1
65	2
66	5
67	11
68	25
69	56
70	126
71	283
72	1272
73	1429

[1, 1, 1, 2, 2, 1, 1, 1, 4, 5, 1, 1, 2, 10, 11, 1, 1, 2, 5, 22, 25, 1, 1, 2, 5, 11, 50, 56, 1, 1, 2, 5, 11, 50, 56, 1, 1, 2, 5, 11, 25, 112, 126, 1, 1, 2, 5, 11, 25, 56, 252, 283, 1, 1, 2, 5, 11, 25, 56, 126, 566, 636, 1, 1, 2, 5, 11, 25, 56, 126, 283, 1272, 1429]

cp's OEIS Frontend

A180264 Triangle, row sums = A006054; derived from an infinite lower triangular matrix with (1,1,1,...) as the leftmost column and (1,2,1,1,1,...) as other columns.

Table of values

List of values