A118854 - cp's OEIS frontend

A118854 Numbers m such that m-1 and m have the same number of common totatives as m and m+1 have.

n	a(n)
1	2
2	3
3	8
4	21
5	24
6	27
7	45
8	75
9	93
10	105
11	117
12	123
13	147
14	165
15	213
16	309
17	315
18	333
19	357
20	387
21	453
22	525
23	555
24	573
25	627
26	636
27	693
28	717
29	729
30	765
31	795
32	843
33	915
34	933
35	957
36	1005
37	1083
38	1125
39	1173
40	1227
41	1323
42	1347
43	1437
44	1467
45	1515
46	1563
47	1575
48	1677
49	1725
50	1755
51	1773

[2, 3, 8, 21, 24, 27, 45, 75, 93, 105, 117, 123, 147, 165, 213, 309, 315, 333, 357, 387, 453, 525, 555, 573, 627, 636, 693, 717, 729, 765, 795, 843, 915, 933, 957, 1005, 1083, 1125, 1173, 1227, 1323, 1347, 1437, 1467, 1515, 1563, 1575, 1677, 1725, 1755, 1773]

cp's OEIS Frontend

A118854 Numbers m such that m-1 and m have the same number of common totatives as m and m+1 have.

Table of values

List of values