A133115 - cp's OEIS frontend

A133115 Triangle read by rows: 2*A133113 - A000012 as infinite lower triangular matrices.

n	a(n)
1	1
2	3
3	1
4	7
5	3
6	1
7	11
8	7
9	7
10	1
11	17
12	11
13	21
14	7
15	1
16	23
17	17
18	47
19	21
20	11
21	1
22	31
23	23
24	91
25	47
26	43
27	11
28	1
29	39
30	31
31	159
32	91
33	123
34	43
35	15
36	1
37	49
38	39
39	259
40	159
41	295
42	123
43	73
44	15
45	1
46	59
47	49
48	399
49	259
50	627
51	295
52	255
53	73
54	19
55	1
56	71
57	59
58	589
59	399
60	1219
61	627
62	733
63	255
64	111
65	19
66	1
67	83
68	71
69	839
70	589
71	2211
72	1219
73	1839
74	733
75	459
76	111
77	23
78	1

[1, 3, 1, 7, 3, 1, 11, 7, 7, 1, 17, 11, 21, 7, 1, 23, 17, 47, 21, 11, 1, 31, 23, 91, 47, 43, 11, 1, 39, 31, 159, 91, 123, 43, 15, 1, 49, 39, 259, 159, 295, 123, 73, 15, 1, 59, 49, 399, 259, 627, 295, 255, 73, 19, 1, 71, 59, 589, 399, 1219, 627, 733, 255, 111, 19, 1, 83, 71, 839, 589, 2211, 1219, 1839, 733, 459, 111, 23, 1]

cp's OEIS Frontend

A133115 Triangle read by rows: 2*A133113 - A000012 as infinite lower triangular matrices.

Table of values

List of values