A301868 - cp's OEIS frontend

A301868 Numbers k such that phi(k, 2) = phi(k+1, 2), where phi(k, 2) = A002472(k).

n	a(n)
1	1
2	2
3	9
4	34
5	50
6	153
7	274
8	321
9	2841
10	4610
11	7474
12	8254
13	10250
14	13430
15	22149
16	38961
17	51981
18	86845
19	91310
20	198057
21	237325
22	367629
23	374541
24	394834
25	419169
26	489445
27	513890
28	516350
29	519230
30	570230
31	717969
32	1308609
33	1523630
34	1557909
35	1753730
36	1935362
37	2109969
38	3005409

[1, 2, 9, 34, 50, 153, 274, 321, 2841, 4610, 7474, 8254, 10250, 13430, 22149, 38961, 51981, 86845, 91310, 198057, 237325, 367629, 374541, 394834, 419169, 489445, 513890, 516350, 519230, 570230, 717969, 1308609, 1523630, 1557909, 1753730, 1935362, 2109969, 3005409]

cp's OEIS Frontend

A301868 Numbers k such that phi(k, 2) = phi(k+1, 2), where phi(k, 2) = A002472(k).

Table of values

List of values