A137271 - cp's OEIS frontend

A137271 Numbers n such that pi(n^2)=pi((n-k)^2)+n, where k=A000193(n).

n	a(n)
1	2
2	5
3	14
4	17
5	18
6	43
7	44
8	54
9	107
10	121
11	137
12	144
13	417
14	424
15	868
16	990
17	991
18	1094
19	2529
20	2586
21	2740
22	2741
23	2785
24	2878
25	2948
26	3085
27	3176
28	3267
29	3269
30	3346
31	7319
32	7694
33	7750
34	7868
35	7984
36	8061
37	8161
38	8250
39	8308
40	8340
41	21182
42	22190
43	22801
44	23200
45	57448

[2, 5, 14, 17, 18, 43, 44, 54, 107, 121, 137, 144, 417, 424, 868, 990, 991, 1094, 2529, 2586, 2740, 2741, 2785, 2878, 2948, 3085, 3176, 3267, 3269, 3346, 7319, 7694, 7750, 7868, 7984, 8061, 8161, 8250, 8308, 8340, 21182, 22190, 22801, 23200, 57448]

cp's OEIS Frontend

A137271 Numbers n such that pi(n^2)=pi((n-k)^2)+n, where k=A000193(n).

Table of values

List of values