A078375 - cp's OEIS frontend

A078375 Smallest 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	2
5	2
6	17
7	2
8	2
9	2
10	31
11	3
12	2
13	37
14	43
15	2
16	2
17	2
18	3
19	3
20	5
21	2
22	2
23	73
24	2
25	2
26	2
27	89
28	7
29	2
30	101
31	2
32	113
33	2
34	2
35	127
36	2
37	3
38	2
39	3
40	5
41	2
42	2
43	2
44	7
45	2
46	2
47	3
48	2
49	3
50	5
51	3
52	2
53	197
54	2
55	2
56	2
57	7
58	2
59	223
60	3
61	2
62	2
63	233
64	241
65	2
66	2
67	257
68	2
69	2
70	5
71	269
72	2
73	283
74	17
75	2
76	2
77	3
78	2
79	2
80	3
81	5
82	2
83	337
84	2
85	347
86	2
87	3
88	2

[2, 5, 3, 2, 2, 17, 2, 2, 2, 31, 3, 2, 37, 43, 2, 2, 2, 3, 3, 5, 2, 2, 73, 2, 2, 2, 89, 7, 2, 101, 2, 113, 2, 2, 127, 2, 3, 2, 3, 5, 2, 2, 2, 7, 2, 2, 3, 2, 3, 5, 3, 2, 197, 2, 2, 2, 7, 2, 223, 3, 2, 2, 233, 241, 2, 2, 257, 2, 2, 5, 269, 2, 283, 17, 2, 2, 3, 2, 2, 3, 5, 2, 337, 2, 347, 2, 3, 2]

cp's OEIS Frontend

A078375 Smallest 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	2
5	2
6	17
7	2
8	2
9	2
10	31
11	3
12	2
13	37
14	43
15	2
16	2
17	2
18	3
19	3
20	5
21	2
22	2
23	73
24	2
25	2
26	2
27	89
28	7
29	2
30	101
31	2
32	113
33	2
34	2
35	127
36	2
37	3
38	2
39	3
40	5
41	2
42	2
43	2
44	7
45	2
46	2
47	3
48	2
49	3
50	5
51	3
52	2
53	197
54	2
55	2
56	2
57	7
58	2
59	223
60	3
61	2
62	2
63	233
64	241
65	2
66	2
67	257
68	2
69	2
70	5
71	269
72	2
73	283
74	17
75	2
76	2
77	3
78	2
79	2
80	3
81	5
82	2
83	337
84	2
85	347
86	2
87	3
88	2

n	a(n)
1	2
2	5
3	3
4	2
5	2
6	17
7	2
8	2
9	2
10	31
11	3
12	2
13	37
14	43
15	2
16	2
17	2
18	3
19	3
20	5
21	2
22	2
23	73
24	2
25	2
26	2
27	89
28	7
29	2
30	101
31	2
32	113
33	2
34	2
35	127
36	2
37	3
38	2
39	3
40	5
41	2
42	2
43	2
44	7
45	2
46	2
47	3
48	2
49	3
50	5
51	3
52	2
53	197
54	2
55	2
56	2
57	7
58	2
59	223
60	3
61	2
62	2
63	233
64	241
65	2
66	2
67	257
68	2
69	2
70	5
71	269
72	2
73	283
74	17
75	2
76	2
77	3
78	2
79	2
80	3
81	5
82	2
83	337
84	2
85	347
86	2
87	3
88	2

n	a(n)
1	2
2	5
3	3
4	2
5	2
6	17
7	2
8	2
9	2
10	31
11	3
12	2
13	37
14	43
15	2
16	2
17	2
18	3
19	3
20	5
21	2
22	2
23	73
24	2
25	2
26	2
27	89
28	7
29	2
30	101
31	2
32	113
33	2
34	2
35	127
36	2
37	3
38	2
39	3
40	5
41	2
42	2
43	2
44	7
45	2
46	2
47	3
48	2
49	3
50	5
51	3
52	2
53	197
54	2
55	2
56	2
57	7
58	2
59	223
60	3
61	2
62	2
63	233
64	241
65	2
66	2
67	257
68	2
69	2
70	5
71	269
72	2
73	283
74	17
75	2
76	2
77	3
78	2
79	2
80	3
81	5
82	2
83	337
84	2
85	347
86	2
87	3
88	2