A026506 - cp's OEIS frontend

A026506 a(n) = 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	8
7	10
8	12
9	14
10	16
11	18
12	20
13	22
14	26
15	28
16	30
17	31
18	32
19	36
20	38
21	42
22	46
23	49
24	50
25	52
26	58
27	60
28	66
29	70
30	71
31	78
32	86
33	87
34	88
35	97
36	100
37	102
38	103
39	106
40	109
41	119
42	122
43	130
44	135
45	136
46	139
47	148
48	149
49	150
50	151
51	153
52	158
53	163
54	167
55	169
56	172

[1, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 22, 26, 28, 30, 31, 32, 36, 38, 42, 46, 49, 50, 52, 58, 60, 66, 70, 71, 78, 86, 87, 88, 97, 100, 102, 103, 106, 109, 119, 122, 130, 135, 136, 139, 148, 149, 150, 151, 153, 158, 163, 167, 169, 172]

cp's OEIS Frontend

A026506 a(n) = 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	8
7	10
8	12
9	14
10	16
11	18
12	20
13	22
14	26
15	28
16	30
17	31
18	32
19	36
20	38
21	42
22	46
23	49
24	50
25	52
26	58
27	60
28	66
29	70
30	71
31	78
32	86
33	87
34	88
35	97
36	100
37	102
38	103
39	106
40	109
41	119
42	122
43	130
44	135
45	136
46	139
47	148
48	149
49	150
50	151
51	153
52	158
53	163
54	167
55	169
56	172

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	8
7	10
8	12
9	14
10	16
11	18
12	20
13	22
14	26
15	28
16	30
17	31
18	32
19	36
20	38
21	42
22	46
23	49
24	50
25	52
26	58
27	60
28	66
29	70
30	71
31	78
32	86
33	87
34	88
35	97
36	100
37	102
38	103
39	106
40	109
41	119
42	122
43	130
44	135
45	136
46	139
47	148
48	149
49	150
50	151
51	153
52	158
53	163
54	167
55	169
56	172

cp's OEIS Frontend

A026506 a(n) = 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

A026506 a(n) = 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	8
7	10
8	12
9	14
10	16
11	18
12	20
13	22
14	26
15	28
16	30
17	31
18	32
19	36
20	38
21	42
22	46
23	49
24	50
25	52
26	58
27	60
28	66
29	70
30	71
31	78
32	86
33	87
34	88
35	97
36	100
37	102
38	103
39	106
40	109
41	119
42	122
43	130
44	135
45	136
46	139
47	148
48	149
49	150
50	151
51	153
52	158
53	163
54	167
55	169
56	172