A378720 - cp's OEIS frontend

A378720 a(n) is the numerator of the asymptotic density of numbers whose third smallest prime divisor is prime(n).

n	a(n)
1	0
2	0
3	1
4	1
5	4
6	326
7	628
8	992
9	98304
10	125568
11	733440
12	281163264
13	386427322368
14	3178249003008
15	12454223855616
16	6450728943845376
17	342348724735967232
18	20218431581110665216
19	39814891891080560640
20	82739188294287768944640
21	15336676441718784000
22	61298453882755419734016000

[0, 0, 1, 1, 4, 326, 628, 992, 98304, 125568, 733440, 281163264, 386427322368, 3178249003008, 12454223855616, 6450728943845376, 342348724735967232, 20218431581110665216, 39814891891080560640, 82739188294287768944640, 15336676441718784000, 61298453882755419734016000]

cp's OEIS Frontend

A378720 a(n) is the numerator of the asymptotic density of numbers whose third smallest prime divisor is prime(n).

Table of values

List of values