A143513 - cp's OEIS frontend

A143513 Numbers of the form 2^a * 3^b * 5^c * 17^d * 257^e * 65537^f; products of 2 and the Fermat primes.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	12
11	15
12	16
13	17
14	18
15	20
16	24
17	25
18	27
19	30
20	32
21	34
22	36
23	40
24	45
25	48
26	50
27	51
28	54
29	60
30	64
31	68
32	72
33	75
34	80
35	81
36	85
37	90
38	96
39	100
40	102
41	108
42	120
43	125
44	128
45	135
46	136
47	144
48	150
49	153
50	160
51	162
52	170
53	180
54	192
55	200
56	204
57	216
58	225
59	240
60	243
61	250
62	255
63	256

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 27, 30, 32, 34, 36, 40, 45, 48, 50, 51, 54, 60, 64, 68, 72, 75, 80, 81, 85, 90, 96, 100, 102, 108, 120, 125, 128, 135, 136, 144, 150, 153, 160, 162, 170, 180, 192, 200, 204, 216, 225, 240, 243, 250, 255, 256]

cp's OEIS Frontend

A143513 Numbers of the form 2^a * 3^b * 5^c * 17^d * 257^e * 65537^f; products of 2 and the Fermat primes.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	12
11	15
12	16
13	17
14	18
15	20
16	24
17	25
18	27
19	30
20	32
21	34
22	36
23	40
24	45
25	48
26	50
27	51
28	54
29	60
30	64
31	68
32	72
33	75
34	80
35	81
36	85
37	90
38	96
39	100
40	102
41	108
42	120
43	125
44	128
45	135
46	136
47	144
48	150
49	153
50	160
51	162
52	170
53	180
54	192
55	200
56	204
57	216
58	225
59	240
60	243
61	250
62	255
63	256

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	12
11	15
12	16
13	17
14	18
15	20
16	24
17	25
18	27
19	30
20	32
21	34
22	36
23	40
24	45
25	48
26	50
27	51
28	54
29	60
30	64
31	68
32	72
33	75
34	80
35	81
36	85
37	90
38	96
39	100
40	102
41	108
42	120
43	125
44	128
45	135
46	136
47	144
48	150
49	153
50	160
51	162
52	170
53	180
54	192
55	200
56	204
57	216
58	225
59	240
60	243
61	250
62	255
63	256

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	12
11	15
12	16
13	17
14	18
15	20
16	24
17	25
18	27
19	30
20	32
21	34
22	36
23	40
24	45
25	48
26	50
27	51
28	54
29	60
30	64
31	68
32	72
33	75
34	80
35	81
36	85
37	90
38	96
39	100
40	102
41	108
42	120
43	125
44	128
45	135
46	136
47	144
48	150
49	153
50	160
51	162
52	170
53	180
54	192
55	200
56	204
57	216
58	225
59	240
60	243
61	250
62	255
63	256