A324927 - cp's OEIS frontend

A324927 Matula-Goebel numbers of rooted trees of depth 2. Numbers that are not powers of 2 but whose prime indices are all powers of 2.

n	a(n)
1	3
2	6
3	7
4	9
5	12
6	14
7	18
8	19
9	21
10	24
11	27
12	28
13	36
14	38
15	42
16	48
17	49
18	53
19	54
20	56
21	57
22	63
23	72
24	76
25	81
26	84
27	96
28	98
29	106
30	108
31	112
32	114
33	126
34	131
35	133
36	144
37	147
38	152
39	159
40	162
41	168
42	171
43	189
44	192
45	196
46	212
47	216
48	224
49	228
50	243
51	252
52	262
53	266
54	288
55	294
56	304
57	311
58	318

[3, 6, 7, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 48, 49, 53, 54, 56, 57, 63, 72, 76, 81, 84, 96, 98, 106, 108, 112, 114, 126, 131, 133, 144, 147, 152, 159, 162, 168, 171, 189, 192, 196, 212, 216, 224, 228, 243, 252, 262, 266, 288, 294, 304, 311, 318]

cp's OEIS Frontend

A324927 Matula-Goebel numbers of rooted trees of depth 2. Numbers that are not powers of 2 but whose prime indices are all powers of 2.

Table of values

List of values

n	a(n)
1	3
2	6
3	7
4	9
5	12
6	14
7	18
8	19
9	21
10	24
11	27
12	28
13	36
14	38
15	42
16	48
17	49
18	53
19	54
20	56
21	57
22	63
23	72
24	76
25	81
26	84
27	96
28	98
29	106
30	108
31	112
32	114
33	126
34	131
35	133
36	144
37	147
38	152
39	159
40	162
41	168
42	171
43	189
44	192
45	196
46	212
47	216
48	224
49	228
50	243
51	252
52	262
53	266
54	288
55	294
56	304
57	311
58	318

n	a(n)
1	3
2	6
3	7
4	9
5	12
6	14
7	18
8	19
9	21
10	24
11	27
12	28
13	36
14	38
15	42
16	48
17	49
18	53
19	54
20	56
21	57
22	63
23	72
24	76
25	81
26	84
27	96
28	98
29	106
30	108
31	112
32	114
33	126
34	131
35	133
36	144
37	147
38	152
39	159
40	162
41	168
42	171
43	189
44	192
45	196
46	212
47	216
48	224
49	228
50	243
51	252
52	262
53	266
54	288
55	294
56	304
57	311
58	318

n	a(n)
1	3
2	6
3	7
4	9
5	12
6	14
7	18
8	19
9	21
10	24
11	27
12	28
13	36
14	38
15	42
16	48
17	49
18	53
19	54
20	56
21	57
22	63
23	72
24	76
25	81
26	84
27	96
28	98
29	106
30	108
31	112
32	114
33	126
34	131
35	133
36	144
37	147
38	152
39	159
40	162
41	168
42	171
43	189
44	192
45	196
46	212
47	216
48	224
49	228
50	243
51	252
52	262
53	266
54	288
55	294
56	304
57	311
58	318