A073164 Quotients arising in A073162: A046992(n)/n if n is in A073162.

0, 1, 4, 7, 604, 7552, 28720, 43501, 176868, 3016559

Offset: 1

Author

Labos Elemer, Jul 18 2002

Keywords

• nonn
• more

Examples

			Sum of first 17 values of Pi(n) equals: 0+1+2+2+3+3+4+4+4+4+5+5+6+6+6+6+7 = 68 = 4*17, Sum(17)/17 = 4 = a(3).
		

Crossrefs

Cf. A046992, A000720, A073162, A073163, A073224.

Programs

Mathematica

s = 0; Do[s = s + PrimePi[n]; If[ IntegerQ[s/n], Print[{n, s, s/n}]], {n, 1, 10^8}]

Formula

Integer values of s(n)=A046992(n)/n.

Extensions

Edited and extended by Robert G. Wilson v, Jul 20 2002

a(10) from Donovan Johnson, Dec 15 2009