A242058 - cp's OEIS frontend

A242058 Even numbers n for which lpf_3(n-1) > lpf_3(n-3), where lpf_3(n) = lpf(n/3^t) (cf. A020639) such that 3^t (t>=0) is the maximal power of 3 which divides n.

n	a(n)
1	6
2	8
3	12
4	14
5	18
6	20
7	24
8	30
9	32
10	38
11	42
12	44
13	48
14	52
15	54
16	58
17	60
18	62
19	68
20	72
21	74
22	78
23	80
24	84
25	88
26	90
27	94
28	98
29	102
30	104
31	108
32	110
33	114
34	118
35	122
36	124
37	128
38	132
39	138
40	140
41	148
42	150
43	152
44	158
45	164
46	168
47	172
48	174
49	178
50	180
51	182
52	188
53	192
54	194
55	198
56	200
57	208
58	212

[6, 8, 12, 14, 18, 20, 24, 30, 32, 38, 42, 44, 48, 52, 54, 58, 60, 62, 68, 72, 74, 78, 80, 84, 88, 90, 94, 98, 102, 104, 108, 110, 114, 118, 122, 124, 128, 132, 138, 140, 148, 150, 152, 158, 164, 168, 172, 174, 178, 180, 182, 188, 192, 194, 198, 200, 208, 212]

cp's OEIS Frontend

A242058 Even numbers n for which lpf_3(n-1) > lpf_3(n-3), where lpf_3(n) = lpf(n/3^t) (cf. A020639) such that 3^t (t>=0) is the maximal power of 3 which divides n.

Table of values

List of values

n	a(n)
1	6
2	8
3	12
4	14
5	18
6	20
7	24
8	30
9	32
10	38
11	42
12	44
13	48
14	52
15	54
16	58
17	60
18	62
19	68
20	72
21	74
22	78
23	80
24	84
25	88
26	90
27	94
28	98
29	102
30	104
31	108
32	110
33	114
34	118
35	122
36	124
37	128
38	132
39	138
40	140
41	148
42	150
43	152
44	158
45	164
46	168
47	172
48	174
49	178
50	180
51	182
52	188
53	192
54	194
55	198
56	200
57	208
58	212

n	a(n)
1	6
2	8
3	12
4	14
5	18
6	20
7	24
8	30
9	32
10	38
11	42
12	44
13	48
14	52
15	54
16	58
17	60
18	62
19	68
20	72
21	74
22	78
23	80
24	84
25	88
26	90
27	94
28	98
29	102
30	104
31	108
32	110
33	114
34	118
35	122
36	124
37	128
38	132
39	138
40	140
41	148
42	150
43	152
44	158
45	164
46	168
47	172
48	174
49	178
50	180
51	182
52	188
53	192
54	194
55	198
56	200
57	208
58	212

n	a(n)
1	6
2	8
3	12
4	14
5	18
6	20
7	24
8	30
9	32
10	38
11	42
12	44
13	48
14	52
15	54
16	58
17	60
18	62
19	68
20	72
21	74
22	78
23	80
24	84
25	88
26	90
27	94
28	98
29	102
30	104
31	108
32	110
33	114
34	118
35	122
36	124
37	128
38	132
39	138
40	140
41	148
42	150
43	152
44	158
45	164
46	168
47	172
48	174
49	178
50	180
51	182
52	188
53	192
54	194
55	198
56	200
57	208
58	212