A330703 - cp's OEIS frontend

A330703 Numbers k such that psi(k) = psi(k + 2) where psi(k) is the Dedekind psi function (A001615).

n	a(n)
1	6
2	9
3	12
4	14
5	18
6	20
7	33
8	44
9	62
10	70
11	92
12	108
13	116
14	138
15	164
16	175
17	212
18	254
19	280
20	308
21	320
22	332
23	348
24	356
25	452
26	490
27	524
28	558
29	572
30	692
31	716
32	764
33	833
34	932
35	956
36	1004
37	1105
38	1124
39	1172
40	1188
41	1436
42	1496
43	1562
44	1593
45	1676
46	1724
47	1772
48	1964
49	2002
50	2036
51	2088
52	2132

[6, 9, 12, 14, 18, 20, 33, 44, 62, 70, 92, 108, 116, 138, 164, 175, 212, 254, 280, 308, 320, 332, 348, 356, 452, 490, 524, 558, 572, 692, 716, 764, 833, 932, 956, 1004, 1105, 1124, 1172, 1188, 1436, 1496, 1562, 1593, 1676, 1724, 1772, 1964, 2002, 2036, 2088, 2132]

cp's OEIS Frontend

A330703 Numbers k such that psi(k) = psi(k + 2) where psi(k) is the Dedekind psi function (A001615).

Table of values

List of values