A337022 - cp's OEIS frontend

A337022 a(n) is the number of positive integers <= A070826(n) with at least one odd prime divisor <= prime(n).

n	a(n)
1	0
2	1
3	7
4	57
5	675
6	9255
7	163095
8	3190965
9	75051075
10	2212976535
11	69624142665
12	2606749381005
13	107980344307605
14	4687299592683015
15	222157161929253705
16	11859617311615438365
17	704152383312290447535
18	43210523173814533171635
19	2910538720151462674819545
20	207666871186142520765307695

[0, 1, 7, 57, 675, 9255, 163095, 3190965, 75051075, 2212976535, 69624142665, 2606749381005, 107980344307605, 4687299592683015, 222157161929253705, 11859617311615438365, 704152383312290447535, 43210523173814533171635, 2910538720151462674819545, 207666871186142520765307695]

cp's OEIS Frontend

A337022 a(n) is the number of positive integers <= A070826(n) with at least one odd prime divisor <= prime(n).

Table of values

List of values