A026505 - cp's OEIS frontend

A026505 a(n) is the least positive integer > a(n-1) and not a(j)a(k) + a(k)a(i) + a(i)*a(j) for 1 <= i < j < k <= n.

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	7
7	8
8	9
9	10
10	11
11	12
12	13
13	14
14	15
15	16
16	17
17	18
18	20
19	21
20	22
21	24
22	25
23	26
24	28
25	30
26	32
27	33
28	36
29	37
30	38
31	40
32	42
33	45
34	46
35	48
36	50
37	52
38	56
39	57
40	58
41	60
42	66
43	70
44	72
45	73
46	78
47	80
48	85
49	86
50	88
51	93
52	100
53	102
54	105
55	106
56	112
57	120
58	122
59	130
60	133
61	136
62	148
63	150
64	158
65	165
66	168
67	177
68	190

[1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, 24, 25, 26, 28, 30, 32, 33, 36, 37, 38, 40, 42, 45, 46, 48, 50, 52, 56, 57, 58, 60, 66, 70, 72, 73, 78, 80, 85, 86, 88, 93, 100, 102, 105, 106, 112, 120, 122, 130, 133, 136, 148, 150, 158, 165, 168, 177, 190]

cp's OEIS Frontend

A026505 a(n) is the least positive integer > a(n-1) and not a(j)a(k) + a(k)a(i) + a(i)*a(j) for 1 <= i < j < k <= n.

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	10
10	11
11	12
12	13
13	14
14	15
15	16
16	17
17	18
18	20
19	21
20	22
21	24
22	25
23	26
24	28
25	30
26	32
27	33
28	36
29	37
30	38
31	40
32	42
33	45
34	46
35	48
36	50
37	52
38	56
39	57
40	58
41	60
42	66
43	70
44	72
45	73
46	78
47	80
48	85
49	86
50	88
51	93
52	100
53	102
54	105
55	106
56	112
57	120
58	122
59	130
60	133
61	136
62	148
63	150
64	158
65	165
66	168
67	177
68	190

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	7
7	8
8	9
9	10
10	11
11	12
12	13
13	14
14	15
15	16
16	17
17	18
18	20
19	21
20	22
21	24
22	25
23	26
24	28
25	30
26	32
27	33
28	36
29	37
30	38
31	40
32	42
33	45
34	46
35	48
36	50
37	52
38	56
39	57
40	58
41	60
42	66
43	70
44	72
45	73
46	78
47	80
48	85
49	86
50	88
51	93
52	100
53	102
54	105
55	106
56	112
57	120
58	122
59	130
60	133
61	136
62	148
63	150
64	158
65	165
66	168
67	177
68	190

cp's OEIS Frontend

A026505 a(n) is the least positive integer > a(n-1) and not a(j)*a(k) + a(k)*a(i) + a(i)*a(j) for 1 <= i < j < k <= n.

Table of values

List of values

A026505 a(n) is the least positive integer > a(n-1) and not a(j)a(k) + a(k)a(i) + a(i)*a(j) for 1 <= i < j < k <= n.

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	7
7	8
8	9
9	10
10	11
11	12
12	13
13	14
14	15
15	16
16	17
17	18
18	20
19	21
20	22
21	24
22	25
23	26
24	28
25	30
26	32
27	33
28	36
29	37
30	38
31	40
32	42
33	45
34	46
35	48
36	50
37	52
38	56
39	57
40	58
41	60
42	66
43	70
44	72
45	73
46	78
47	80
48	85
49	86
50	88
51	93
52	100
53	102
54	105
55	106
56	112
57	120
58	122
59	130
60	133
61	136
62	148
63	150
64	158
65	165
66	168
67	177
68	190