A246647 - cp's OEIS frontend

A246647 Starting numbers k = a(n) for the (modified) Collatz map iteration which survive in the sieved Collatz table of A246646.

n	a(n)
1	2
2	3
3	6
4	7
5	9
6	12
7	15
8	16
9	18
10	19
11	21
12	24
13	25
14	27
15	28
16	30
17	33
18	34
19	36
20	37
21	39
22	42
23	43
24	45
25	48
26	51
27	52
28	54
29	55
30	57
31	60
32	63
33	64
34	66
35	69
36	70
37	72
38	73
39	75
40	78
41	79
42	81
43	82
44	84
45	87
46	88
47	90
48	93
49	96
50	97
51	99
52	100
53	102
54	105
55	106
56	108
57	109
58	111
59	114
60	115

[2, 3, 6, 7, 9, 12, 15, 16, 18, 19, 21, 24, 25, 27, 28, 30, 33, 34, 36, 37, 39, 42, 43, 45, 48, 51, 52, 54, 55, 57, 60, 63, 64, 66, 69, 70, 72, 73, 75, 78, 79, 81, 82, 84, 87, 88, 90, 93, 96, 97, 99, 100, 102, 105, 106, 108, 109, 111, 114, 115]

cp's OEIS Frontend

A246647 Starting numbers k = a(n) for the (modified) Collatz map iteration which survive in the sieved Collatz table of A246646.

Table of values

List of values

n	a(n)
1	2
2	3
3	6
4	7
5	9
6	12
7	15
8	16
9	18
10	19
11	21
12	24
13	25
14	27
15	28
16	30
17	33
18	34
19	36
20	37
21	39
22	42
23	43
24	45
25	48
26	51
27	52
28	54
29	55
30	57
31	60
32	63
33	64
34	66
35	69
36	70
37	72
38	73
39	75
40	78
41	79
42	81
43	82
44	84
45	87
46	88
47	90
48	93
49	96
50	97
51	99
52	100
53	102
54	105
55	106
56	108
57	109
58	111
59	114
60	115

n	a(n)
1	2
2	3
3	6
4	7
5	9
6	12
7	15
8	16
9	18
10	19
11	21
12	24
13	25
14	27
15	28
16	30
17	33
18	34
19	36
20	37
21	39
22	42
23	43
24	45
25	48
26	51
27	52
28	54
29	55
30	57
31	60
32	63
33	64
34	66
35	69
36	70
37	72
38	73
39	75
40	78
41	79
42	81
43	82
44	84
45	87
46	88
47	90
48	93
49	96
50	97
51	99
52	100
53	102
54	105
55	106
56	108
57	109
58	111
59	114
60	115

n	a(n)
1	2
2	3
3	6
4	7
5	9
6	12
7	15
8	16
9	18
10	19
11	21
12	24
13	25
14	27
15	28
16	30
17	33
18	34
19	36
20	37
21	39
22	42
23	43
24	45
25	48
26	51
27	52
28	54
29	55
30	57
31	60
32	63
33	64
34	66
35	69
36	70
37	72
38	73
39	75
40	78
41	79
42	81
43	82
44	84
45	87
46	88
47	90
48	93
49	96
50	97
51	99
52	100
53	102
54	105
55	106
56	108
57	109
58	111
59	114
60	115