A026452 - cp's OEIS frontend

A026452 a(n) = least positive integer > a(n-1) and not a(i)*a(j)+2 for i<=1<=j<=n.

n	a(n)
1	3
2	4
3	5
4	6
5	7
6	8
7	9
8	10
9	12
10	13
11	15
12	16
13	19
14	21
15	24
16	25
17	28
18	31
19	33
20	35
21	36
22	39
23	40
24	43
25	45
26	46
27	48
28	49
29	53
30	55
31	57
32	60
33	61
34	63
35	64
36	68
37	69
38	70
39	71
40	73
41	75
42	76
43	79
44	81
45	84
46	85
47	87
48	88
49	89
50	90
51	91
52	94
53	96
54	99
55	100
56	103
57	104
58	105
59	108
60	109

[3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 15, 16, 19, 21, 24, 25, 28, 31, 33, 35, 36, 39, 40, 43, 45, 46, 48, 49, 53, 55, 57, 60, 61, 63, 64, 68, 69, 70, 71, 73, 75, 76, 79, 81, 84, 85, 87, 88, 89, 90, 91, 94, 96, 99, 100, 103, 104, 105, 108, 109]

cp's OEIS Frontend

A026452 a(n) = least positive integer > a(n-1) and not a(i)*a(j)+2 for i<=1<=j<=n.

Table of values

List of values

n	a(n)
1	3
2	4
3	5
4	6
5	7
6	8
7	9
8	10
9	12
10	13
11	15
12	16
13	19
14	21
15	24
16	25
17	28
18	31
19	33
20	35
21	36
22	39
23	40
24	43
25	45
26	46
27	48
28	49
29	53
30	55
31	57
32	60
33	61
34	63
35	64
36	68
37	69
38	70
39	71
40	73
41	75
42	76
43	79
44	81
45	84
46	85
47	87
48	88
49	89
50	90
51	91
52	94
53	96
54	99
55	100
56	103
57	104
58	105
59	108
60	109

n	a(n)
1	3
2	4
3	5
4	6
5	7
6	8
7	9
8	10
9	12
10	13
11	15
12	16
13	19
14	21
15	24
16	25
17	28
18	31
19	33
20	35
21	36
22	39
23	40
24	43
25	45
26	46
27	48
28	49
29	53
30	55
31	57
32	60
33	61
34	63
35	64
36	68
37	69
38	70
39	71
40	73
41	75
42	76
43	79
44	81
45	84
46	85
47	87
48	88
49	89
50	90
51	91
52	94
53	96
54	99
55	100
56	103
57	104
58	105
59	108
60	109

n	a(n)
1	3
2	4
3	5
4	6
5	7
6	8
7	9
8	10
9	12
10	13
11	15
12	16
13	19
14	21
15	24
16	25
17	28
18	31
19	33
20	35
21	36
22	39
23	40
24	43
25	45
26	46
27	48
28	49
29	53
30	55
31	57
32	60
33	61
34	63
35	64
36	68
37	69
38	70
39	71
40	73
41	75
42	76
43	79
44	81
45	84
46	85
47	87
48	88
49	89
50	90
51	91
52	94
53	96
54	99
55	100
56	103
57	104
58	105
59	108
60	109