A214641 - cp's OEIS frontend

A214641 Indices of a in the sequence closed under a -> abc, b -> ab, c -> b . Start with a.

n	a(n)
1	1
2	4
3	7
4	10
5	12
6	14
7	17
8	20
9	23
10	25
11	28
12	30
13	33
14	36
15	39
16	41
17	43
18	46
19	49
20	52
21	54
22	57
23	60
24	63
25	65
26	68
27	71
28	74
29	76
30	78
31	81
32	84
33	87
34	89
35	92
36	94
37	97
38	100
39	103
40	105
41	107
42	110
43	113
44	116
45	118
46	121
47	124
48	127
49	129
50	131
51	134
52	137
53	140
54	142
55	145
56	148
57	151
58	153
59	155
60	158

[1, 4, 7, 10, 12, 14, 17, 20, 23, 25, 28, 30, 33, 36, 39, 41, 43, 46, 49, 52, 54, 57, 60, 63, 65, 68, 71, 74, 76, 78, 81, 84, 87, 89, 92, 94, 97, 100, 103, 105, 107, 110, 113, 116, 118, 121, 124, 127, 129, 131, 134, 137, 140, 142, 145, 148, 151, 153, 155, 158]

cp's OEIS Frontend

A214641 Indices of a in the sequence closed under a -> abc, b -> ab, c -> b . Start with a.

Table of values

List of values

n	a(n)
1	1
2	4
3	7
4	10
5	12
6	14
7	17
8	20
9	23
10	25
11	28
12	30
13	33
14	36
15	39
16	41
17	43
18	46
19	49
20	52
21	54
22	57
23	60
24	63
25	65
26	68
27	71
28	74
29	76
30	78
31	81
32	84
33	87
34	89
35	92
36	94
37	97
38	100
39	103
40	105
41	107
42	110
43	113
44	116
45	118
46	121
47	124
48	127
49	129
50	131
51	134
52	137
53	140
54	142
55	145
56	148
57	151
58	153
59	155
60	158

n	a(n)
1	1
2	4
3	7
4	10
5	12
6	14
7	17
8	20
9	23
10	25
11	28
12	30
13	33
14	36
15	39
16	41
17	43
18	46
19	49
20	52
21	54
22	57
23	60
24	63
25	65
26	68
27	71
28	74
29	76
30	78
31	81
32	84
33	87
34	89
35	92
36	94
37	97
38	100
39	103
40	105
41	107
42	110
43	113
44	116
45	118
46	121
47	124
48	127
49	129
50	131
51	134
52	137
53	140
54	142
55	145
56	148
57	151
58	153
59	155
60	158

n	a(n)
1	1
2	4
3	7
4	10
5	12
6	14
7	17
8	20
9	23
10	25
11	28
12	30
13	33
14	36
15	39
16	41
17	43
18	46
19	49
20	52
21	54
22	57
23	60
24	63
25	65
26	68
27	71
28	74
29	76
30	78
31	81
32	84
33	87
34	89
35	92
36	94
37	97
38	100
39	103
40	105
41	107
42	110
43	113
44	116
45	118
46	121
47	124
48	127
49	129
50	131
51	134
52	137
53	140
54	142
55	145
56	148
57	151
58	153
59	155
60	158