A080780 - cp's OEIS frontend

A080780 a(1)=2; for n > 1, a(n) is the smallest integer greater than a(n-1) consistent with the condition "n is in the sequence if and only if a(n) is congruent to 0 (mod 6)".

n	a(n)
1	2
2	6
3	7
4	8
5	9
6	12
7	18
8	24
9	30
10	31
11	32
12	36
13	37
14	38
15	39
16	40
17	41
18	42
19	43
20	44
21	45
22	46
23	47
24	48
25	49
26	50
27	51
28	52
29	53
30	54
31	60
32	66
33	67
34	68
35	69
36	72
37	78
38	84
39	90
40	96
41	102
42	108
43	114
44	120
45	126
46	132
47	138
48	144
49	150

[2, 6, 7, 8, 9, 12, 18, 24, 30, 31, 32, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 60, 66, 67, 68, 69, 72, 78, 84, 90, 96, 102, 108, 114, 120, 126, 132, 138, 144, 150]

cp's OEIS Frontend

A080780 a(1)=2; for n > 1, a(n) is the smallest integer greater than a(n-1) consistent with the condition "n is in the sequence if and only if a(n) is congruent to 0 (mod 6)".

Table of values

List of values

n	a(n)
1	2
2	6
3	7
4	8
5	9
6	12
7	18
8	24
9	30
10	31
11	32
12	36
13	37
14	38
15	39
16	40
17	41
18	42
19	43
20	44
21	45
22	46
23	47
24	48
25	49
26	50
27	51
28	52
29	53
30	54
31	60
32	66
33	67
34	68
35	69
36	72
37	78
38	84
39	90
40	96
41	102
42	108
43	114
44	120
45	126
46	132
47	138
48	144
49	150

n	a(n)
1	2
2	6
3	7
4	8
5	9
6	12
7	18
8	24
9	30
10	31
11	32
12	36
13	37
14	38
15	39
16	40
17	41
18	42
19	43
20	44
21	45
22	46
23	47
24	48
25	49
26	50
27	51
28	52
29	53
30	54
31	60
32	66
33	67
34	68
35	69
36	72
37	78
38	84
39	90
40	96
41	102
42	108
43	114
44	120
45	126
46	132
47	138
48	144
49	150

n	a(n)
1	2
2	6
3	7
4	8
5	9
6	12
7	18
8	24
9	30
10	31
11	32
12	36
13	37
14	38
15	39
16	40
17	41
18	42
19	43
20	44
21	45
22	46
23	47
24	48
25	49
26	50
27	51
28	52
29	53
30	54
31	60
32	66
33	67
34	68
35	69
36	72
37	78
38	84
39	90
40	96
41	102
42	108
43	114
44	120
45	126
46	132
47	138
48	144
49	150