A379973 - cp's OEIS frontend

A379973 Least k >= 3 such that A373711(n) is both k-gonal and k-gonal pyramidal.

n	a(n)
1	3
2	3
3	3
4	3
5	10
6	14
7	6
8	8
9	3
10	4
11	8
12	3
13	30
14	11
15	88
16	14
17	43
18	50
19	276
20	17
21	322
22	20
23	23
24	26
25	41
26	29
27	145
28	32
29	823
30	35
31	2378
32	38
33	41
34	44
35	47
36	50
37	53
38	56
39	59
40	374
41	62
42	65
43	2386
44	68
45	71
46	74

[3, 3, 3, 3, 10, 14, 6, 8, 3, 4, 8, 3, 30, 11, 88, 14, 43, 50, 276, 17, 322, 20, 23, 26, 41, 29, 145, 32, 823, 35, 2378, 38, 41, 44, 47, 50, 53, 56, 59, 374, 62, 65, 2386, 68, 71, 74]

cp's OEIS Frontend

A379973 Least k >= 3 such that A373711(n) is both k-gonal and k-gonal pyramidal.

Table of values

List of values