A321157 - cp's OEIS frontend

A321157 Numbers that have exactly 7 representations as a k-gonal number, P(n,k) = n((k-2)n - (k-4))/2, k and n >= 3.

n	a(n)
1	11935
2	12376
3	21736
4	24220
5	41041
6	45441
7	51360
8	52326
9	53361
10	54145
11	54405
12	58311
13	58696
14	73360
15	82720
16	89425
17	90321
18	96580
19	101025
20	102025
21	108801
22	113050
23	117216
24	118405
25	122265
26	122500
27	122760
28	123201
29	123256
30	127281
31	128961
32	135201
33	144585
34	152076
35	165376
36	166635
37	169456
38	174097

[11935, 12376, 21736, 24220, 41041, 45441, 51360, 52326, 53361, 54145, 54405, 58311, 58696, 73360, 82720, 89425, 90321, 96580, 101025, 102025, 108801, 113050, 117216, 118405, 122265, 122500, 122760, 123201, 123256, 127281, 128961, 135201, 144585, 152076, 165376, 166635, 169456, 174097]

cp's OEIS Frontend

A321157 Numbers that have exactly 7 representations as a k-gonal number, P(n,k) = n((k-2)n - (k-4))/2, k and n >= 3.

Table of values

List of values

cp's OEIS Frontend

A321157 Numbers that have exactly 7 representations as a k-gonal number, P(n,k) = n*((k-2)*n - (k-4))/2, k and n >= 3.

Table of values

List of values

A321157 Numbers that have exactly 7 representations as a k-gonal number, P(n,k) = n((k-2)n - (k-4))/2, k and n >= 3.