A361461 - cp's OEIS frontend

A361461 Numbers k such that x(k+1) = 2 * x(k), when x(1)=1 and x(n) = x(n-1) + lcm(x(n-1),n), i.e., x(n) = A135504(n).

n	a(n)
1	2
2	5
3	7
4	8
5	11
6	13
7	15
8	17
9	19
10	20
11	23
12	26
13	27
14	29
15	31
16	34
17	35
18	37
19	39
20	41
21	43
22	44
23	47
24	48
25	49
26	53
27	54
28	55
29	56
30	59
31	61
32	62
33	63
34	65
35	67
36	69
37	71
38	73
39	74
40	75
41	76
42	79
43	80
44	83
45	84
46	87
47	89
48	92
49	94
50	95
51	97
52	98
53	99
54	101
55	103
56	104
57	107
58	109
59	110
60	111
61	113
62	116
63	118
64	119
65	120
66	123
67	124
68	125
69	127
70	129
71	131
72	132

[2, 5, 7, 8, 11, 13, 15, 17, 19, 20, 23, 26, 27, 29, 31, 34, 35, 37, 39, 41, 43, 44, 47, 48, 49, 53, 54, 55, 56, 59, 61, 62, 63, 65, 67, 69, 71, 73, 74, 75, 76, 79, 80, 83, 84, 87, 89, 92, 94, 95, 97, 98, 99, 101, 103, 104, 107, 109, 110, 111, 113, 116, 118, 119, 120, 123, 124, 125, 127, 129, 131, 132]

cp's OEIS Frontend

A361461 Numbers k such that x(k+1) = 2 * x(k), when x(1)=1 and x(n) = x(n-1) + lcm(x(n-1),n), i.e., x(n) = A135504(n).

Table of values

List of values

n	a(n)
1	2
2	5
3	7
4	8
5	11
6	13
7	15
8	17
9	19
10	20
11	23
12	26
13	27
14	29
15	31
16	34
17	35
18	37
19	39
20	41
21	43
22	44
23	47
24	48
25	49
26	53
27	54
28	55
29	56
30	59
31	61
32	62
33	63
34	65
35	67
36	69
37	71
38	73
39	74
40	75
41	76
42	79
43	80
44	83
45	84
46	87
47	89
48	92
49	94
50	95
51	97
52	98
53	99
54	101
55	103
56	104
57	107
58	109
59	110
60	111
61	113
62	116
63	118
64	119
65	120
66	123
67	124
68	125
69	127
70	129
71	131
72	132

n	a(n)
1	2
2	5
3	7
4	8
5	11
6	13
7	15
8	17
9	19
10	20
11	23
12	26
13	27
14	29
15	31
16	34
17	35
18	37
19	39
20	41
21	43
22	44
23	47
24	48
25	49
26	53
27	54
28	55
29	56
30	59
31	61
32	62
33	63
34	65
35	67
36	69
37	71
38	73
39	74
40	75
41	76
42	79
43	80
44	83
45	84
46	87
47	89
48	92
49	94
50	95
51	97
52	98
53	99
54	101
55	103
56	104
57	107
58	109
59	110
60	111
61	113
62	116
63	118
64	119
65	120
66	123
67	124
68	125
69	127
70	129
71	131
72	132

n	a(n)
1	2
2	5
3	7
4	8
5	11
6	13
7	15
8	17
9	19
10	20
11	23
12	26
13	27
14	29
15	31
16	34
17	35
18	37
19	39
20	41
21	43
22	44
23	47
24	48
25	49
26	53
27	54
28	55
29	56
30	59
31	61
32	62
33	63
34	65
35	67
36	69
37	71
38	73
39	74
40	75
41	76
42	79
43	80
44	83
45	84
46	87
47	89
48	92
49	94
50	95
51	97
52	98
53	99
54	101
55	103
56	104
57	107
58	109
59	110
60	111
61	113
62	116
63	118
64	119
65	120
66	123
67	124
68	125
69	127
70	129
71	131
72	132