A068719 - cp's OEIS frontend

A068719 Arithmetic derivative of even numbers: a(n) = n+2*A003415(n).

n	a(n)
1	1
2	4
3	5
4	12
5	7
6	16
7	9
8	32
9	21
10	24
11	13
12	44
13	15
14	32
15	31
16	80
17	19
18	60
19	21
20	68
21	41
22	48
23	25
24	112
25	45
26	56
27	81
28	92
29	31
30	92
31	33
32	192
33	61
34	72
35	59
36	156
37	39
38	80
39	71
40	176
41	43
42	124
43	45
44	140
45	123
46	96
47	49
48	272
49	77
50	140
51	91
52	164
53	55
54	216
55	87
56	240
57	101
58	120

[1, 4, 5, 12, 7, 16, 9, 32, 21, 24, 13, 44, 15, 32, 31, 80, 19, 60, 21, 68, 41, 48, 25, 112, 45, 56, 81, 92, 31, 92, 33, 192, 61, 72, 59, 156, 39, 80, 71, 176, 43, 124, 45, 140, 123, 96, 49, 272, 77, 140, 91, 164, 55, 216, 87, 240, 101, 120]

cp's OEIS Frontend

A068719 Arithmetic derivative of even numbers: a(n) = n+2*A003415(n).

Table of values

List of values

n	a(n)
1	1
2	4
3	5
4	12
5	7
6	16
7	9
8	32
9	21
10	24
11	13
12	44
13	15
14	32
15	31
16	80
17	19
18	60
19	21
20	68
21	41
22	48
23	25
24	112
25	45
26	56
27	81
28	92
29	31
30	92
31	33
32	192
33	61
34	72
35	59
36	156
37	39
38	80
39	71
40	176
41	43
42	124
43	45
44	140
45	123
46	96
47	49
48	272
49	77
50	140
51	91
52	164
53	55
54	216
55	87
56	240
57	101
58	120

n	a(n)
1	1
2	4
3	5
4	12
5	7
6	16
7	9
8	32
9	21
10	24
11	13
12	44
13	15
14	32
15	31
16	80
17	19
18	60
19	21
20	68
21	41
22	48
23	25
24	112
25	45
26	56
27	81
28	92
29	31
30	92
31	33
32	192
33	61
34	72
35	59
36	156
37	39
38	80
39	71
40	176
41	43
42	124
43	45
44	140
45	123
46	96
47	49
48	272
49	77
50	140
51	91
52	164
53	55
54	216
55	87
56	240
57	101
58	120

n	a(n)
1	1
2	4
3	5
4	12
5	7
6	16
7	9
8	32
9	21
10	24
11	13
12	44
13	15
14	32
15	31
16	80
17	19
18	60
19	21
20	68
21	41
22	48
23	25
24	112
25	45
26	56
27	81
28	92
29	31
30	92
31	33
32	192
33	61
34	72
35	59
36	156
37	39
38	80
39	71
40	176
41	43
42	124
43	45
44	140
45	123
46	96
47	49
48	272
49	77
50	140
51	91
52	164
53	55
54	216
55	87
56	240
57	101
58	120