A344413 - cp's OEIS frontend

A344413 Numbers n whose sum of prime indices A056239(n) is even and is at least twice the number of prime factors A001222(n).

n	a(n)
1	1
2	3
3	7
4	9
5	10
6	13
7	19
8	21
9	22
10	25
11	27
12	28
13	29
14	30
15	34
16	37
17	39
18	43
19	46
20	49
21	52
22	53
23	55
24	57
25	61
26	62
27	63
28	66
29	70
30	71
31	75
32	76
33	79
34	81
35	82
36	84
37	85
38	87
39	88
40	89
41	90
42	91
43	94
44	100
45	101
46	102
47	107
48	111
49	113
50	115
51	116
52	117
53	118
54	121
55	129
56	130
57	131
58	133
59	134
60	136
61	138

[1, 3, 7, 9, 10, 13, 19, 21, 22, 25, 27, 28, 29, 30, 34, 37, 39, 43, 46, 49, 52, 53, 55, 57, 61, 62, 63, 66, 70, 71, 75, 76, 79, 81, 82, 84, 85, 87, 88, 89, 90, 91, 94, 100, 101, 102, 107, 111, 113, 115, 116, 117, 118, 121, 129, 130, 131, 133, 134, 136, 138]

cp's OEIS Frontend

A344413 Numbers n whose sum of prime indices A056239(n) is even and is at least twice the number of prime factors A001222(n).

Table of values

List of values

n	a(n)
1	1
2	3
3	7
4	9
5	10
6	13
7	19
8	21
9	22
10	25
11	27
12	28
13	29
14	30
15	34
16	37
17	39
18	43
19	46
20	49
21	52
22	53
23	55
24	57
25	61
26	62
27	63
28	66
29	70
30	71
31	75
32	76
33	79
34	81
35	82
36	84
37	85
38	87
39	88
40	89
41	90
42	91
43	94
44	100
45	101
46	102
47	107
48	111
49	113
50	115
51	116
52	117
53	118
54	121
55	129
56	130
57	131
58	133
59	134
60	136
61	138

n	a(n)
1	1
2	3
3	7
4	9
5	10
6	13
7	19
8	21
9	22
10	25
11	27
12	28
13	29
14	30
15	34
16	37
17	39
18	43
19	46
20	49
21	52
22	53
23	55
24	57
25	61
26	62
27	63
28	66
29	70
30	71
31	75
32	76
33	79
34	81
35	82
36	84
37	85
38	87
39	88
40	89
41	90
42	91
43	94
44	100
45	101
46	102
47	107
48	111
49	113
50	115
51	116
52	117
53	118
54	121
55	129
56	130
57	131
58	133
59	134
60	136
61	138

n	a(n)
1	1
2	3
3	7
4	9
5	10
6	13
7	19
8	21
9	22
10	25
11	27
12	28
13	29
14	30
15	34
16	37
17	39
18	43
19	46
20	49
21	52
22	53
23	55
24	57
25	61
26	62
27	63
28	66
29	70
30	71
31	75
32	76
33	79
34	81
35	82
36	84
37	85
38	87
39	88
40	89
41	90
42	91
43	94
44	100
45	101
46	102
47	107
48	111
49	113
50	115
51	116
52	117
53	118
54	121
55	129
56	130
57	131
58	133
59	134
60	136
61	138