A078376 - cp's OEIS frontend

A078376 Greatest prime factor of numbers which can be written as sum of a positive square and a positive cube.

n	a(n)
1	2
2	5
3	3
4	5
5	3
6	17
7	3
8	13
9	7
10	31
11	11
12	3
13	37
14	43
15	11
16	5
17	13
18	19
19	7
20	13
21	17
22	3
23	73
24	19
25	5
26	41
27	89
28	13
29	5
30	101
31	3
32	113
33	61
34	7
35	127
36	2
37	43
38	67
39	47
40	29
41	37
42	5
43	19
44	23
45	41
46	17
47	19
48	29
49	59
50	37
51	7
52	7
53	197
54	17
55	103
56	13
57	31
58	11
59	223
60	5
61	113
62	29
63	233
64	241
65	41
66	7
67	257
68	13
69	11
70	53
71	269
72	7

[2, 5, 3, 5, 3, 17, 3, 13, 7, 31, 11, 3, 37, 43, 11, 5, 13, 19, 7, 13, 17, 3, 73, 19, 5, 41, 89, 13, 5, 101, 3, 113, 61, 7, 127, 2, 43, 67, 47, 29, 37, 5, 19, 23, 41, 17, 19, 29, 59, 37, 7, 7, 197, 17, 103, 13, 31, 11, 223, 5, 113, 29, 233, 241, 41, 7, 257, 13, 11, 53, 269, 7]

cp's OEIS Frontend

A078376 Greatest prime factor of numbers which can be written as sum of a positive square and a positive cube.

Table of values

List of values

n	a(n)
1	2
2	5
3	3
4	5
5	3
6	17
7	3
8	13
9	7
10	31
11	11
12	3
13	37
14	43
15	11
16	5
17	13
18	19
19	7
20	13
21	17
22	3
23	73
24	19
25	5
26	41
27	89
28	13
29	5
30	101
31	3
32	113
33	61
34	7
35	127
36	2
37	43
38	67
39	47
40	29
41	37
42	5
43	19
44	23
45	41
46	17
47	19
48	29
49	59
50	37
51	7
52	7
53	197
54	17
55	103
56	13
57	31
58	11
59	223
60	5
61	113
62	29
63	233
64	241
65	41
66	7
67	257
68	13
69	11
70	53
71	269
72	7

n	a(n)
1	2
2	5
3	3
4	5
5	3
6	17
7	3
8	13
9	7
10	31
11	11
12	3
13	37
14	43
15	11
16	5
17	13
18	19
19	7
20	13
21	17
22	3
23	73
24	19
25	5
26	41
27	89
28	13
29	5
30	101
31	3
32	113
33	61
34	7
35	127
36	2
37	43
38	67
39	47
40	29
41	37
42	5
43	19
44	23
45	41
46	17
47	19
48	29
49	59
50	37
51	7
52	7
53	197
54	17
55	103
56	13
57	31
58	11
59	223
60	5
61	113
62	29
63	233
64	241
65	41
66	7
67	257
68	13
69	11
70	53
71	269
72	7

n	a(n)
1	2
2	5
3	3
4	5
5	3
6	17
7	3
8	13
9	7
10	31
11	11
12	3
13	37
14	43
15	11
16	5
17	13
18	19
19	7
20	13
21	17
22	3
23	73
24	19
25	5
26	41
27	89
28	13
29	5
30	101
31	3
32	113
33	61
34	7
35	127
36	2
37	43
38	67
39	47
40	29
41	37
42	5
43	19
44	23
45	41
46	17
47	19
48	29
49	59
50	37
51	7
52	7
53	197
54	17
55	103
56	13
57	31
58	11
59	223
60	5
61	113
62	29
63	233
64	241
65	41
66	7
67	257
68	13
69	11
70	53
71	269
72	7