A306521 - cp's OEIS frontend

A306521 Least integer N > 2 such that the number of primes (<=N) <= the number of base-n-zero containing numbers (<=N).

n	a(n)
2	3
3	3
4	4
5	28
6	42
7	104
8	136
9	329
10	510
11	856
12	1449
13	2212
14	2782
15	3434
16	4188
17	5042
18	6001
19	7082
20	8276
21	9604
22	11062
23	12666
24	14405
25	31651
26	35694
27	40061
28	66427
29	73966
30	108764
31	149756
32	197516
33	288280
34	354924
35	515538
36	701002
37	963687
38	1318399
39	1840377

[3, 3, 4, 28, 42, 104, 136, 329, 510, 856, 1449, 2212, 2782, 3434, 4188, 5042, 6001, 7082, 8276, 9604, 11062, 12666, 14405, 31651, 35694, 40061, 66427, 73966, 108764, 149756, 197516, 288280, 354924, 515538, 701002, 963687, 1318399, 1840377]

cp's OEIS Frontend

A306521 Least integer N > 2 such that the number of primes (<=N) <= the number of base-n-zero containing numbers (<=N).

Table of values

List of values