A078384 - cp's OEIS frontend

A078384 Sum of all prime factors of numbers which can be written as sum of a positive square and a positive cube.

n	a(n)
1	2
2	5
3	6
4	7
5	7
6	17
7	9
8	15
9	11
10	31
11	14
12	10
13	37
14	43
15	15
16	12
17	17
18	22
19	13
20	18
21	21
22	12
23	73
24	23
25	13
26	43
27	89
28	20
29	14
30	101
31	13
32	113
33	63
34	15
35	127
36	14
37	46
38	69
39	50
40	34
41	41
42	15
43	25
44	30
45	45
46	24
47	25
48	34
49	62
50	42
51	16
52	18
53	197
54	24
55	105
56	21
57	38
58	20
59	223
60	16
61	115
62	35
63	233
64	241
65	46
66	17
67	257
68	22

[2, 5, 6, 7, 7, 17, 9, 15, 11, 31, 14, 10, 37, 43, 15, 12, 17, 22, 13, 18, 21, 12, 73, 23, 13, 43, 89, 20, 14, 101, 13, 113, 63, 15, 127, 14, 46, 69, 50, 34, 41, 15, 25, 30, 45, 24, 25, 34, 62, 42, 16, 18, 197, 24, 105, 21, 38, 20, 223, 16, 115, 35, 233, 241, 46, 17, 257, 22]

cp's OEIS Frontend

A078384 Sum of all prime factors 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	6
4	7
5	7
6	17
7	9
8	15
9	11
10	31
11	14
12	10
13	37
14	43
15	15
16	12
17	17
18	22
19	13
20	18
21	21
22	12
23	73
24	23
25	13
26	43
27	89
28	20
29	14
30	101
31	13
32	113
33	63
34	15
35	127
36	14
37	46
38	69
39	50
40	34
41	41
42	15
43	25
44	30
45	45
46	24
47	25
48	34
49	62
50	42
51	16
52	18
53	197
54	24
55	105
56	21
57	38
58	20
59	223
60	16
61	115
62	35
63	233
64	241
65	46
66	17
67	257
68	22

n	a(n)
1	2
2	5
3	6
4	7
5	7
6	17
7	9
8	15
9	11
10	31
11	14
12	10
13	37
14	43
15	15
16	12
17	17
18	22
19	13
20	18
21	21
22	12
23	73
24	23
25	13
26	43
27	89
28	20
29	14
30	101
31	13
32	113
33	63
34	15
35	127
36	14
37	46
38	69
39	50
40	34
41	41
42	15
43	25
44	30
45	45
46	24
47	25
48	34
49	62
50	42
51	16
52	18
53	197
54	24
55	105
56	21
57	38
58	20
59	223
60	16
61	115
62	35
63	233
64	241
65	46
66	17
67	257
68	22

n	a(n)
1	2
2	5
3	6
4	7
5	7
6	17
7	9
8	15
9	11
10	31
11	14
12	10
13	37
14	43
15	15
16	12
17	17
18	22
19	13
20	18
21	21
22	12
23	73
24	23
25	13
26	43
27	89
28	20
29	14
30	101
31	13
32	113
33	63
34	15
35	127
36	14
37	46
38	69
39	50
40	34
41	41
42	15
43	25
44	30
45	45
46	24
47	25
48	34
49	62
50	42
51	16
52	18
53	197
54	24
55	105
56	21
57	38
58	20
59	223
60	16
61	115
62	35
63	233
64	241
65	46
66	17
67	257
68	22