A195528 - cp's OEIS frontend

A195528 Integers n that are k-gonal for precisely 4 distinct values of k, where k >= 3.

n	a(n)
1	36
2	45
3	66
4	81
5	105
6	120
7	153
8	171
9	190
10	196
11	210
12	261
13	280
14	351
15	378
16	396
17	400
18	405
19	406
20	456
21	465
22	477
23	484
24	496
25	532
26	576
27	585
28	606
29	621
30	630
31	645
32	666
33	715
34	726
35	729
36	736
37	741
38	742
39	765
40	780
41	784
42	801
43	855
44	876
45	891
46	910
47	945
48	960
49	981
50	1015
51	1045
52	1056

[36, 45, 66, 81, 105, 120, 153, 171, 190, 196, 210, 261, 280, 351, 378, 396, 400, 405, 406, 456, 465, 477, 484, 496, 532, 576, 585, 606, 621, 630, 645, 666, 715, 726, 729, 736, 741, 742, 765, 780, 784, 801, 855, 876, 891, 910, 945, 960, 981, 1015, 1045, 1056]

cp's OEIS Frontend

A195528 Integers n that are k-gonal for precisely 4 distinct values of k, where k >= 3.

Table of values

List of values