A026458 - cp's OEIS frontend

A026458 a(n) = least positive integer > a(n-1) and not a(i)*a(j)-2 for 1<=i

n	a(n)
1	3
2	4
3	5
4	6
5	7
6	8
7	9
8	11
9	12
10	14
11	15
12	17
13	20
14	21
15	23
16	24
17	27
18	29
19	32
20	35
21	36
22	37
23	39
24	41
25	44
26	45
27	47
28	48
29	50
30	51
31	55
32	56
33	57
34	59
35	60
36	62
37	63
38	65
39	69
40	71
41	72
42	74
43	76
44	77
45	80
46	81
47	84
48	87
49	89
50	91
51	92
52	93
53	95
54	99
55	101
56	102
57	104
58	105
59	107
60	108

[3, 4, 5, 6, 7, 8, 9, 11, 12, 14, 15, 17, 20, 21, 23, 24, 27, 29, 32, 35, 36, 37, 39, 41, 44, 45, 47, 48, 50, 51, 55, 56, 57, 59, 60, 62, 63, 65, 69, 71, 72, 74, 76, 77, 80, 81, 84, 87, 89, 91, 92, 93, 95, 99, 101, 102, 104, 105, 107, 108]

cp's OEIS Frontend

A026458 a(n) = least positive integer > a(n-1) and not a(i)*a(j)-2 for 1<=i

Table of values

List of values

n	a(n)
1	3
2	4
3	5
4	6
5	7
6	8
7	9
8	11
9	12
10	14
11	15
12	17
13	20
14	21
15	23
16	24
17	27
18	29
19	32
20	35
21	36
22	37
23	39
24	41
25	44
26	45
27	47
28	48
29	50
30	51
31	55
32	56
33	57
34	59
35	60
36	62
37	63
38	65
39	69
40	71
41	72
42	74
43	76
44	77
45	80
46	81
47	84
48	87
49	89
50	91
51	92
52	93
53	95
54	99
55	101
56	102
57	104
58	105
59	107
60	108

n	a(n)
1	3
2	4
3	5
4	6
5	7
6	8
7	9
8	11
9	12
10	14
11	15
12	17
13	20
14	21
15	23
16	24
17	27
18	29
19	32
20	35
21	36
22	37
23	39
24	41
25	44
26	45
27	47
28	48
29	50
30	51
31	55
32	56
33	57
34	59
35	60
36	62
37	63
38	65
39	69
40	71
41	72
42	74
43	76
44	77
45	80
46	81
47	84
48	87
49	89
50	91
51	92
52	93
53	95
54	99
55	101
56	102
57	104
58	105
59	107
60	108

n	a(n)
1	3
2	4
3	5
4	6
5	7
6	8
7	9
8	11
9	12
10	14
11	15
12	17
13	20
14	21
15	23
16	24
17	27
18	29
19	32
20	35
21	36
22	37
23	39
24	41
25	44
26	45
27	47
28	48
29	50
30	51
31	55
32	56
33	57
34	59
35	60
36	62
37	63
38	65
39	69
40	71
41	72
42	74
43	76
44	77
45	80
46	81
47	84
48	87
49	89
50	91
51	92
52	93
53	95
54	99
55	101
56	102
57	104
58	105
59	107
60	108