A177880 - cp's OEIS frontend

A177880 Numbers k such that not all exponents in the prime power factorization of k are in A005836.

n	a(n)
1	4
2	9
3	12
4	18
5	20
6	25
7	28
8	32
9	36
10	44
11	45
12	49
13	50
14	52
15	60
16	63
17	64
18	68
19	72
20	75
21	76
22	84
23	90
24	92
25	96
26	98
27	99
28	100
29	108
30	116
31	117
32	121
33	124
34	126
35	128
36	132
37	140
38	144
39	147
40	148
41	150
42	153
43	156
44	160
45	164
46	169
47	171
48	172
49	175
50	180
51	188
52	192
53	196
54	198
55	200
56	204
57	207

[4, 9, 12, 18, 20, 25, 28, 32, 36, 44, 45, 49, 50, 52, 60, 63, 64, 68, 72, 75, 76, 84, 90, 92, 96, 98, 99, 100, 108, 116, 117, 121, 124, 126, 128, 132, 140, 144, 147, 148, 150, 153, 156, 160, 164, 169, 171, 172, 175, 180, 188, 192, 196, 198, 200, 204, 207]

cp's OEIS Frontend

A177880 Numbers k such that not all exponents in the prime power factorization of k are in A005836.

Table of values

List of values

n	a(n)
1	4
2	9
3	12
4	18
5	20
6	25
7	28
8	32
9	36
10	44
11	45
12	49
13	50
14	52
15	60
16	63
17	64
18	68
19	72
20	75
21	76
22	84
23	90
24	92
25	96
26	98
27	99
28	100
29	108
30	116
31	117
32	121
33	124
34	126
35	128
36	132
37	140
38	144
39	147
40	148
41	150
42	153
43	156
44	160
45	164
46	169
47	171
48	172
49	175
50	180
51	188
52	192
53	196
54	198
55	200
56	204
57	207

n	a(n)
1	4
2	9
3	12
4	18
5	20
6	25
7	28
8	32
9	36
10	44
11	45
12	49
13	50
14	52
15	60
16	63
17	64
18	68
19	72
20	75
21	76
22	84
23	90
24	92
25	96
26	98
27	99
28	100
29	108
30	116
31	117
32	121
33	124
34	126
35	128
36	132
37	140
38	144
39	147
40	148
41	150
42	153
43	156
44	160
45	164
46	169
47	171
48	172
49	175
50	180
51	188
52	192
53	196
54	198
55	200
56	204
57	207

n	a(n)
1	4
2	9
3	12
4	18
5	20
6	25
7	28
8	32
9	36
10	44
11	45
12	49
13	50
14	52
15	60
16	63
17	64
18	68
19	72
20	75
21	76
22	84
23	90
24	92
25	96
26	98
27	99
28	100
29	108
30	116
31	117
32	121
33	124
34	126
35	128
36	132
37	140
38	144
39	147
40	148
41	150
42	153
43	156
44	160
45	164
46	169
47	171
48	172
49	175
50	180
51	188
52	192
53	196
54	198
55	200
56	204
57	207