A350328 - cp's OEIS frontend

A350328 Numbers k such that pi(k) = Sum_{i=1..k} pi(k(i-1)+i) - pi(k(i-1)+i-1).

n	a(n)
1	1
2	5
3	21
4	23
5	25
6	33
7	81
8	85
9	115
10	127
11	141
12	164
13	253
14	273
15	283
16	285
17	291
18	343
19	385
20	441
21	471
22	495
23	505
24	565
25	577
26	711
27	807
28	921
29	1107
30	1977
31	2175
32	2437
33	2941
34	2943
35	3381
36	4117
37	5541
38	6531
39	7075
40	7497
41	8193
42	8325
43	8923

[1, 5, 21, 23, 25, 33, 81, 85, 115, 127, 141, 164, 253, 273, 283, 285, 291, 343, 385, 441, 471, 495, 505, 565, 577, 711, 807, 921, 1107, 1977, 2175, 2437, 2941, 2943, 3381, 4117, 5541, 6531, 7075, 7497, 8193, 8325, 8923]

cp's OEIS Frontend

A350328 Numbers k such that pi(k) = Sum_{i=1..k} pi(k(i-1)+i) - pi(k(i-1)+i-1).

Table of values

List of values

cp's OEIS Frontend

A350328 Numbers k such that pi(k) = Sum_{i=1..k} pi(k*(i-1)+i) - pi(k*(i-1)+i-1).

Table of values

List of values

A350328 Numbers k such that pi(k) = Sum_{i=1..k} pi(k(i-1)+i) - pi(k(i-1)+i-1).