A224907 - cp's OEIS frontend

A224907 Numbers n such that the sum of reciprocals of even divisors of n > 1.

n	a(n)
1	24
2	36
3	40
4	48
5	60
6	72
7	80
8	84
9	96
10	108
11	112
12	120
13	132
14	140
15	144
16	156
17	160
18	168
19	176
20	180
21	192
22	200
23	204
24	208
25	216
26	224
27	228
28	240
29	252
30	264
31	276
32	280
33	288
34	300
35	312
36	320
37	324
38	336
39	348
40	352
41	360
42	372
43	384
44	392
45	396
46	400
47	408
48	416
49	420
50	432
51	440
52	444
53	448
54	456

[24, 36, 40, 48, 60, 72, 80, 84, 96, 108, 112, 120, 132, 140, 144, 156, 160, 168, 176, 180, 192, 200, 204, 208, 216, 224, 228, 240, 252, 264, 276, 280, 288, 300, 312, 320, 324, 336, 348, 352, 360, 372, 384, 392, 396, 400, 408, 416, 420, 432, 440, 444, 448, 456]

cp's OEIS Frontend

A224907 Numbers n such that the sum of reciprocals of even divisors of n > 1.

Table of values

List of values

n	a(n)
1	24
2	36
3	40
4	48
5	60
6	72
7	80
8	84
9	96
10	108
11	112
12	120
13	132
14	140
15	144
16	156
17	160
18	168
19	176
20	180
21	192
22	200
23	204
24	208
25	216
26	224
27	228
28	240
29	252
30	264
31	276
32	280
33	288
34	300
35	312
36	320
37	324
38	336
39	348
40	352
41	360
42	372
43	384
44	392
45	396
46	400
47	408
48	416
49	420
50	432
51	440
52	444
53	448
54	456

n	a(n)
1	24
2	36
3	40
4	48
5	60
6	72
7	80
8	84
9	96
10	108
11	112
12	120
13	132
14	140
15	144
16	156
17	160
18	168
19	176
20	180
21	192
22	200
23	204
24	208
25	216
26	224
27	228
28	240
29	252
30	264
31	276
32	280
33	288
34	300
35	312
36	320
37	324
38	336
39	348
40	352
41	360
42	372
43	384
44	392
45	396
46	400
47	408
48	416
49	420
50	432
51	440
52	444
53	448
54	456

n	a(n)
1	24
2	36
3	40
4	48
5	60
6	72
7	80
8	84
9	96
10	108
11	112
12	120
13	132
14	140
15	144
16	156
17	160
18	168
19	176
20	180
21	192
22	200
23	204
24	208
25	216
26	224
27	228
28	240
29	252
30	264
31	276
32	280
33	288
34	300
35	312
36	320
37	324
38	336
39	348
40	352
41	360
42	372
43	384
44	392
45	396
46	400
47	408
48	416
49	420
50	432
51	440
52	444
53	448
54	456