A246362 - cp's OEIS frontend

A246362 Numbers n such that if 2n-1 = Product_{k >= 1} (p_k)^(c_k), then n < Product_{k >= 1} (p_{k-1})^(c_k), where p_k indicates the k-th prime, A000040(k).

n	a(n)
1	4
2	6
3	7
4	9
5	10
6	12
7	15
8	16
9	19
10	20
11	21
12	22
13	24
14	27
15	29
16	30
17	31
18	34
19	35
20	36
21	37
22	40
23	42
24	44
25	45
26	46
27	47
28	48
29	49
30	51
31	52
32	54
33	55
34	56
35	57
36	60
37	62
38	64
39	65
40	66
41	67
42	69
43	70
44	71
45	72
46	75
47	76
48	78
49	79
50	80
51	81
52	82
53	84
54	85
55	87
56	89
57	90
58	91
59	92
60	96
61	97
62	99
63	100
64	101
65	102
66	103
67	105
68	106
69	107
70	108
71	109
72	110
73	111
74	112
75	114
76	115

[4, 6, 7, 9, 10, 12, 15, 16, 19, 20, 21, 22, 24, 27, 29, 30, 31, 34, 35, 36, 37, 40, 42, 44, 45, 46, 47, 48, 49, 51, 52, 54, 55, 56, 57, 60, 62, 64, 65, 66, 67, 69, 70, 71, 72, 75, 76, 78, 79, 80, 81, 82, 84, 85, 87, 89, 90, 91, 92, 96, 97, 99, 100, 101, 102, 103, 105, 106, 107, 108, 109, 110, 111, 112, 114, 115]

cp's OEIS Frontend

A246362 Numbers n such that if 2n-1 = Product_{k >= 1} (p_k)^(c_k), then n < Product_{k >= 1} (p_{k-1})^(c_k), where p_k indicates the k-th prime, A000040(k).

Table of values

List of values

n	a(n)
1	4
2	6
3	7
4	9
5	10
6	12
7	15
8	16
9	19
10	20
11	21
12	22
13	24
14	27
15	29
16	30
17	31
18	34
19	35
20	36
21	37
22	40
23	42
24	44
25	45
26	46
27	47
28	48
29	49
30	51
31	52
32	54
33	55
34	56
35	57
36	60
37	62
38	64
39	65
40	66
41	67
42	69
43	70
44	71
45	72
46	75
47	76
48	78
49	79
50	80
51	81
52	82
53	84
54	85
55	87
56	89
57	90
58	91
59	92
60	96
61	97
62	99
63	100
64	101
65	102
66	103
67	105
68	106
69	107
70	108
71	109
72	110
73	111
74	112
75	114
76	115

n	a(n)
1	4
2	6
3	7
4	9
5	10
6	12
7	15
8	16
9	19
10	20
11	21
12	22
13	24
14	27
15	29
16	30
17	31
18	34
19	35
20	36
21	37
22	40
23	42
24	44
25	45
26	46
27	47
28	48
29	49
30	51
31	52
32	54
33	55
34	56
35	57
36	60
37	62
38	64
39	65
40	66
41	67
42	69
43	70
44	71
45	72
46	75
47	76
48	78
49	79
50	80
51	81
52	82
53	84
54	85
55	87
56	89
57	90
58	91
59	92
60	96
61	97
62	99
63	100
64	101
65	102
66	103
67	105
68	106
69	107
70	108
71	109
72	110
73	111
74	112
75	114
76	115

n	a(n)
1	4
2	6
3	7
4	9
5	10
6	12
7	15
8	16
9	19
10	20
11	21
12	22
13	24
14	27
15	29
16	30
17	31
18	34
19	35
20	36
21	37
22	40
23	42
24	44
25	45
26	46
27	47
28	48
29	49
30	51
31	52
32	54
33	55
34	56
35	57
36	60
37	62
38	64
39	65
40	66
41	67
42	69
43	70
44	71
45	72
46	75
47	76
48	78
49	79
50	80
51	81
52	82
53	84
54	85
55	87
56	89
57	90
58	91
59	92
60	96
61	97
62	99
63	100
64	101
65	102
66	103
67	105
68	106
69	107
70	108
71	109
72	110
73	111
74	112
75	114
76	115