A339905 - cp's OEIS frontend

A339905 Fully multiplicative with a(prime(k)) = prime(k+1) - 1.

n	a(n)
1	1
2	2
3	4
4	4
5	6
6	8
7	10
8	8
9	16
10	12
11	12
12	16
13	16
14	20
15	24
16	16
17	18
18	32
19	22
20	24
21	40
22	24
23	28
24	32
25	36
26	32
27	64
28	40
29	30
30	48
31	36
32	32
33	48
34	36
35	60
36	64
37	40
38	44
39	64
40	48
41	42
42	80
43	46
44	48
45	96
46	56
47	52
48	64
49	100
50	72
51	72
52	64
53	58
54	128
55	72
56	80
57	88
58	60
59	60
60	96
61	66
62	72
63	160
64	64
65	96
66	96
67	70
68	72
69	112
70	120
71	72
72	128
73	78
74	80
75	144
76	88
77	120
78	128
79	82

[1, 2, 4, 4, 6, 8, 10, 8, 16, 12, 12, 16, 16, 20, 24, 16, 18, 32, 22, 24, 40, 24, 28, 32, 36, 32, 64, 40, 30, 48, 36, 32, 48, 36, 60, 64, 40, 44, 64, 48, 42, 80, 46, 48, 96, 56, 52, 64, 100, 72, 72, 64, 58, 128, 72, 80, 88, 60, 60, 96, 66, 72, 160, 64, 96, 96, 70, 72, 112, 120, 72, 128, 78, 80, 144, 88, 120, 128, 82]

cp's OEIS Frontend

A339905 Fully multiplicative with a(prime(k)) = prime(k+1) - 1.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	4
5	6
6	8
7	10
8	8
9	16
10	12
11	12
12	16
13	16
14	20
15	24
16	16
17	18
18	32
19	22
20	24
21	40
22	24
23	28
24	32
25	36
26	32
27	64
28	40
29	30
30	48
31	36
32	32
33	48
34	36
35	60
36	64
37	40
38	44
39	64
40	48
41	42
42	80
43	46
44	48
45	96
46	56
47	52
48	64
49	100
50	72
51	72
52	64
53	58
54	128
55	72
56	80
57	88
58	60
59	60
60	96
61	66
62	72
63	160
64	64
65	96
66	96
67	70
68	72
69	112
70	120
71	72
72	128
73	78
74	80
75	144
76	88
77	120
78	128
79	82

n	a(n)
1	1
2	2
3	4
4	4
5	6
6	8
7	10
8	8
9	16
10	12
11	12
12	16
13	16
14	20
15	24
16	16
17	18
18	32
19	22
20	24
21	40
22	24
23	28
24	32
25	36
26	32
27	64
28	40
29	30
30	48
31	36
32	32
33	48
34	36
35	60
36	64
37	40
38	44
39	64
40	48
41	42
42	80
43	46
44	48
45	96
46	56
47	52
48	64
49	100
50	72
51	72
52	64
53	58
54	128
55	72
56	80
57	88
58	60
59	60
60	96
61	66
62	72
63	160
64	64
65	96
66	96
67	70
68	72
69	112
70	120
71	72
72	128
73	78
74	80
75	144
76	88
77	120
78	128
79	82

n	a(n)
1	1
2	2
3	4
4	4
5	6
6	8
7	10
8	8
9	16
10	12
11	12
12	16
13	16
14	20
15	24
16	16
17	18
18	32
19	22
20	24
21	40
22	24
23	28
24	32
25	36
26	32
27	64
28	40
29	30
30	48
31	36
32	32
33	48
34	36
35	60
36	64
37	40
38	44
39	64
40	48
41	42
42	80
43	46
44	48
45	96
46	56
47	52
48	64
49	100
50	72
51	72
52	64
53	58
54	128
55	72
56	80
57	88
58	60
59	60
60	96
61	66
62	72
63	160
64	64
65	96
66	96
67	70
68	72
69	112
70	120
71	72
72	128
73	78
74	80
75	144
76	88
77	120
78	128
79	82