A026501 - cp's OEIS frontend

A026501 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

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	12
12	13
13	15
14	16
15	18
16	21
17	22
18	24
19	25
20	28
21	30
22	33
23	37
24	40
25	42
26	45
27	48
28	57
29	58
30	60
31	70
32	72
33	78
34	85
35	88
36	93
37	100
38	102
39	105
40	112
41	120
42	130
43	133
44	145
45	148
46	165
47	168
48	177
49	190
50	210
51	217
52	221
53	232
54	240
55	253
56	254
57	262
58	263
59	267
60	273
61	277
62	280

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 15, 16, 18, 21, 22, 24, 25, 28, 30, 33, 37, 40, 42, 45, 48, 57, 58, 60, 70, 72, 78, 85, 88, 93, 100, 102, 105, 112, 120, 130, 133, 145, 148, 165, 168, 177, 190, 210, 217, 221, 232, 240, 253, 254, 262, 263, 267, 273, 277, 280]

cp's OEIS Frontend

A026501 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

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	12
12	13
13	15
14	16
15	18
16	21
17	22
18	24
19	25
20	28
21	30
22	33
23	37
24	40
25	42
26	45
27	48
28	57
29	58
30	60
31	70
32	72
33	78
34	85
35	88
36	93
37	100
38	102
39	105
40	112
41	120
42	130
43	133
44	145
45	148
46	165
47	168
48	177
49	190
50	210
51	217
52	221
53	232
54	240
55	253
56	254
57	262
58	263
59	267
60	273
61	277
62	280

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	12
12	13
13	15
14	16
15	18
16	21
17	22
18	24
19	25
20	28
21	30
22	33
23	37
24	40
25	42
26	45
27	48
28	57
29	58
30	60
31	70
32	72
33	78
34	85
35	88
36	93
37	100
38	102
39	105
40	112
41	120
42	130
43	133
44	145
45	148
46	165
47	168
48	177
49	190
50	210
51	217
52	221
53	232
54	240
55	253
56	254
57	262
58	263
59	267
60	273
61	277
62	280

cp's OEIS Frontend

A026501 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

Table of values

List of values

A026501 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

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	12
12	13
13	15
14	16
15	18
16	21
17	22
18	24
19	25
20	28
21	30
22	33
23	37
24	40
25	42
26	45
27	48
28	57
29	58
30	60
31	70
32	72
33	78
34	85
35	88
36	93
37	100
38	102
39	105
40	112
41	120
42	130
43	133
44	145
45	148
46	165
47	168
48	177
49	190
50	210
51	217
52	221
53	232
54	240
55	253
56	254
57	262
58	263
59	267
60	273
61	277
62	280