A179875 - cp's OEIS frontend

A179875 Numbers h such that h and h+1 have same antiharmonic mean of the numbers k < h such that gcd(k, h) = 1.

n	a(n)
1	1
2	6
3	10
4	22
5	46
6	58
7	65
8	69
9	77
10	82
11	106
12	129
13	166
14	178
15	185
16	194
17	210
18	221
19	226
20	237
21	254
22	262
23	265
24	309
25	321
26	330
27	346
28	358
29	365
30	382
31	398
32	417
33	437
34	454
35	462
36	466
37	469
38	473
39	478
40	482
41	493
42	497
43	502

[1, 6, 10, 22, 46, 58, 65, 69, 77, 82, 106, 129, 166, 178, 185, 194, 210, 221, 226, 237, 254, 262, 265, 309, 321, 330, 346, 358, 365, 382, 398, 417, 437, 454, 462, 466, 469, 473, 478, 482, 493, 497, 502]

cp's OEIS Frontend

A179875 Numbers h such that h and h+1 have same antiharmonic mean of the numbers k < h such that gcd(k, h) = 1.

Table of values

List of values

n	a(n)
1	1
2	6
3	10
4	22
5	46
6	58
7	65
8	69
9	77
10	82
11	106
12	129
13	166
14	178
15	185
16	194
17	210
18	221
19	226
20	237
21	254
22	262
23	265
24	309
25	321
26	330
27	346
28	358
29	365
30	382
31	398
32	417
33	437
34	454
35	462
36	466
37	469
38	473
39	478
40	482
41	493
42	497
43	502

n	a(n)
1	1
2	6
3	10
4	22
5	46
6	58
7	65
8	69
9	77
10	82
11	106
12	129
13	166
14	178
15	185
16	194
17	210
18	221
19	226
20	237
21	254
22	262
23	265
24	309
25	321
26	330
27	346
28	358
29	365
30	382
31	398
32	417
33	437
34	454
35	462
36	466
37	469
38	473
39	478
40	482
41	493
42	497
43	502

n	a(n)
1	1
2	6
3	10
4	22
5	46
6	58
7	65
8	69
9	77
10	82
11	106
12	129
13	166
14	178
15	185
16	194
17	210
18	221
19	226
20	237
21	254
22	262
23	265
24	309
25	321
26	330
27	346
28	358
29	365
30	382
31	398
32	417
33	437
34	454
35	462
36	466
37	469
38	473
39	478
40	482
41	493
42	497
43	502