A247168 Number of times n occurs in the sequence floor(log_Pi(i)) with i=1,2,3,... .

6, 22, 66, 209, 655, 2059, 6468, 20321, 63839, 200556, 630065, 1979408, 6218494, 19535974, 61374075, 192812343, 605737840, 1902981546, 5978392847, 18781675046, 59004372349, 185367702702, 582349813020, 1829505894404, 5747562277559, 18056499427227

Offset

1,1

Links

Table of n, a(n) for n=1..26.

Formula

a(n) = floor(Pi^(n+1)) - floor(Pi^(n)) = A001672(n+1) - A001672(n), n>=1.

Crossrefs

Cf. A000796, A001672.

Sequence in context: A027992 A271389 A353703 * A353704 A305032 A351648

Adjacent sequences: A247165 A247166 A247167 * A247169 A247170 A247171

Keyword

nonn

Author

Talha Ali, Nov 29 2014

Status

approved