A271322 - cp's OEIS frontend

A271322 Largest prime factor of the n-th n-gonal number (A060354).

n	a(n)
2	2
3	3
4	2
5	7
6	11
7	7
8	11
9	29
10	37
11	23
12	7
13	67
14	79
15	23
16	53
17	17
18	137
19	19
20	43
21	191
22	211
23	29
24	127
25	277
26	43
27	163
28	11
29	379
30	37
31	109
32	233
33	71
34	23
35	281
36	149
37	631
38	29
39	13
40	53
41	71
42	821
43	431
44	113
45	947
46	991
47	47
48	541
49	1129
50	107
51	613
52	29
53	1327
54	197
55	179
56	743
57	67
58	1597
59	827

[2, 3, 2, 7, 11, 7, 11, 29, 37, 23, 7, 67, 79, 23, 53, 17, 137, 19, 43, 191, 211, 29, 127, 277, 43, 163, 11, 379, 37, 109, 233, 71, 23, 281, 149, 631, 29, 13, 53, 71, 821, 431, 113, 947, 991, 47, 541, 1129, 107, 613, 29, 1327, 197, 179, 743, 67, 1597, 827]

cp's OEIS Frontend

A271322 Largest prime factor of the n-th n-gonal number (A060354).

Table of values

List of values