A026453 - cp's OEIS frontend

A026453 a(n) = least positive integer > a(n-1) and not equal to a(i)*a(j)-2 for 1<=i

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	9
8	11
9	14
10	15
11	17
12	18
13	21
14	22
15	23
16	24
17	27
18	29
19	30
20	35
21	36
22	37
23	38
24	39
25	41
26	45
27	47
28	48
29	50
30	51
31	54
32	55
33	57
34	59
35	60
36	62
37	63
38	65
39	66
40	69
41	71
42	77
43	78
44	81
45	84
46	86
47	87
48	89
49	90
50	91
51	93
52	95
53	99
54	101
55	102
56	104
57	105
58	107
59	110
60	111

[1, 2, 3, 5, 6, 7, 9, 11, 14, 15, 17, 18, 21, 22, 23, 24, 27, 29, 30, 35, 36, 37, 38, 39, 41, 45, 47, 48, 50, 51, 54, 55, 57, 59, 60, 62, 63, 65, 66, 69, 71, 77, 78, 81, 84, 86, 87, 89, 90, 91, 93, 95, 99, 101, 102, 104, 105, 107, 110, 111]

cp's OEIS Frontend

A026453 a(n) = least positive integer > a(n-1) and not equal to a(i)*a(j)-2 for 1<=i

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	9
8	11
9	14
10	15
11	17
12	18
13	21
14	22
15	23
16	24
17	27
18	29
19	30
20	35
21	36
22	37
23	38
24	39
25	41
26	45
27	47
28	48
29	50
30	51
31	54
32	55
33	57
34	59
35	60
36	62
37	63
38	65
39	66
40	69
41	71
42	77
43	78
44	81
45	84
46	86
47	87
48	89
49	90
50	91
51	93
52	95
53	99
54	101
55	102
56	104
57	105
58	107
59	110
60	111

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	9
8	11
9	14
10	15
11	17
12	18
13	21
14	22
15	23
16	24
17	27
18	29
19	30
20	35
21	36
22	37
23	38
24	39
25	41
26	45
27	47
28	48
29	50
30	51
31	54
32	55
33	57
34	59
35	60
36	62
37	63
38	65
39	66
40	69
41	71
42	77
43	78
44	81
45	84
46	86
47	87
48	89
49	90
50	91
51	93
52	95
53	99
54	101
55	102
56	104
57	105
58	107
59	110
60	111

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	9
8	11
9	14
10	15
11	17
12	18
13	21
14	22
15	23
16	24
17	27
18	29
19	30
20	35
21	36
22	37
23	38
24	39
25	41
26	45
27	47
28	48
29	50
30	51
31	54
32	55
33	57
34	59
35	60
36	62
37	63
38	65
39	66
40	69
41	71
42	77
43	78
44	81
45	84
46	86
47	87
48	89
49	90
50	91
51	93
52	95
53	99
54	101
55	102
56	104
57	105
58	107
59	110
60	111