A345038 - cp's OEIS frontend

A345038 Triangle T(n,k) read by rows of the smallest centered n-gonal number greater than 1 that is also centered k-gonal, or 0 if none exists, for 1 <= k <= n.

n	a(n)
1	2
2	7
3	3
4	4
5	31
6	4
7	0
8	13
9	85
10	5
11	16
12	31
13	31
14	181
15	6
16	7
17	7
18	19
19	61
20	331
21	7
22	22
23	43
24	316
25	841
26	106
27	547
28	8
29	121
30	0
31	361
32	25
33	22801
34	169
35	841
36	9
37	0
38	91
39	10
40	0
41	1891
42	91
43	253
44	1225
45	10
46	11
47	31
48	31
49	61
50	31
51	61
52	2101
53	361
54	1711
55	11
56	67
57	111
58	166
59	8581
60	1156
61	397
62	6931
63	179479609
64	496
65	2311
66	12

[2, 7, 3, 4, 31, 4, 0, 13, 85, 5, 16, 31, 31, 181, 6, 7, 7, 19, 61, 331, 7, 22, 43, 316, 841, 106, 547, 8, 121, 0, 361, 25, 22801, 169, 841, 9, 0, 91, 10, 0, 1891, 91, 253, 1225, 10, 11, 31, 31, 61, 31, 61, 2101, 361, 1711, 11, 67, 111, 166, 8581, 1156, 397, 6931, 179479609, 496, 2311, 12]

cp's OEIS Frontend

A345038 Triangle T(n,k) read by rows of the smallest centered n-gonal number greater than 1 that is also centered k-gonal, or 0 if none exists, for 1 <= k <= n.

Table of values

List of values