A026454 - cp's OEIS frontend

A026454 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	3
3	4
4	5
5	6
6	7
7	8
8	9
9	11
10	12
11	14
12	15
13	17
14	20
15	21
16	23
17	24
18	27
19	29
20	32
21	35
22	36
23	37
24	39
25	41
26	44
27	45
28	47
29	48
30	50
31	51
32	55
33	56
34	57
35	59
36	60
37	62
38	63
39	65
40	69
41	71
42	72
43	74
44	76
45	77
46	80
47	81
48	84
49	87
50	89
51	91
52	92
53	93
54	95
55	99
56	101
57	102
58	104
59	105
60	107

[1, 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]

cp's OEIS Frontend

A026454 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	3
3	4
4	5
5	6
6	7
7	8
8	9
9	11
10	12
11	14
12	15
13	17
14	20
15	21
16	23
17	24
18	27
19	29
20	32
21	35
22	36
23	37
24	39
25	41
26	44
27	45
28	47
29	48
30	50
31	51
32	55
33	56
34	57
35	59
36	60
37	62
38	63
39	65
40	69
41	71
42	72
43	74
44	76
45	77
46	80
47	81
48	84
49	87
50	89
51	91
52	92
53	93
54	95
55	99
56	101
57	102
58	104
59	105
60	107

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

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