A179890 - cp's OEIS frontend

A179890 Values of antiharmonic mean B(q) of the numbers k < q such that gcd(k, q) = 1 is an integer for nonprimes q from A179887, where B(q) = A053818(q) / A023896(q) = A175505(q) / A175506(q).

n	a(n)
1	1
2	7
3	15
4	23
5	31
6	37
7	39
8	55
9	57
10	61
11	63
12	71
13	73
14	77
15	79
16	89
17	95
18	97
19	111
20	113
21	119
22	121
23	125
24	135
25	137
26	143
27	145
28	151
29	153
30	157
31	165
32	169
33	173
34	175
35	177
36	177
37	183
38	193
39	197
40	199
41	201
42	213
43	223
44	231
45	237
46	239
47	249
48	255
49	261
50	263
51	269
52	273
53	277
54	285
55	289
56	297
57	301
58	303
59	303

[1, 7, 15, 23, 31, 37, 39, 55, 57, 61, 63, 71, 73, 77, 79, 89, 95, 97, 111, 113, 119, 121, 125, 135, 137, 143, 145, 151, 153, 157, 165, 169, 173, 175, 177, 177, 183, 193, 197, 199, 201, 213, 223, 231, 237, 239, 249, 255, 261, 263, 269, 273, 277, 285, 289, 297, 301, 303, 303]

cp's OEIS Frontend

A179890 Values of antiharmonic mean B(q) of the numbers k < q such that gcd(k, q) = 1 is an integer for nonprimes q from A179887, where B(q) = A053818(q) / A023896(q) = A175505(q) / A175506(q).

Table of values

List of values

n	a(n)
1	1
2	7
3	15
4	23
5	31
6	37
7	39
8	55
9	57
10	61
11	63
12	71
13	73
14	77
15	79
16	89
17	95
18	97
19	111
20	113
21	119
22	121
23	125
24	135
25	137
26	143
27	145
28	151
29	153
30	157
31	165
32	169
33	173
34	175
35	177
36	177
37	183
38	193
39	197
40	199
41	201
42	213
43	223
44	231
45	237
46	239
47	249
48	255
49	261
50	263
51	269
52	273
53	277
54	285
55	289
56	297
57	301
58	303
59	303

n	a(n)
1	1
2	7
3	15
4	23
5	31
6	37
7	39
8	55
9	57
10	61
11	63
12	71
13	73
14	77
15	79
16	89
17	95
18	97
19	111
20	113
21	119
22	121
23	125
24	135
25	137
26	143
27	145
28	151
29	153
30	157
31	165
32	169
33	173
34	175
35	177
36	177
37	183
38	193
39	197
40	199
41	201
42	213
43	223
44	231
45	237
46	239
47	249
48	255
49	261
50	263
51	269
52	273
53	277
54	285
55	289
56	297
57	301
58	303
59	303

n	a(n)
1	1
2	7
3	15
4	23
5	31
6	37
7	39
8	55
9	57
10	61
11	63
12	71
13	73
14	77
15	79
16	89
17	95
18	97
19	111
20	113
21	119
22	121
23	125
24	135
25	137
26	143
27	145
28	151
29	153
30	157
31	165
32	169
33	173
34	175
35	177
36	177
37	183
38	193
39	197
40	199
41	201
42	213
43	223
44	231
45	237
46	239
47	249
48	255
49	261
50	263
51	269
52	273
53	277
54	285
55	289
56	297
57	301
58	303
59	303