A155462 Frequency of n in A155213.

4, 3, 2, 2, 3, 2, 2, 2, 2, 2, 1, 3, 2, 0, 2, 2, 2, 1, 2, 2, 1, 3, 1, 1, 1, 3, 2, 1, 1, 2, 2, 2, 1, 0, 3, 1, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 2, 1, 3, 0, 1, 2, 2, 1, 1, 1, 0, 2, 1, 1, 2, 1, 2, 2, 1, 3, 0, 1, 3, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 0, 1, 1, 1, 1, 3, 1, 1, 1, 3, 0, 2, 2, 0, 1, 1, 1, 1, 2

Offset

0,1

Comments

Since prime gaps increase on the average, this sequence fades out with more and more zeros as the indices increase.

Links

Table of n, a(n) for n=0..104.

Example

There are 4 zeros, 3 ones, 2 twos, etc. in A155213.

Maple

:= proc(n) floor( ithprime(n)/9) ; end: a155213 := [seq(A155213(n), n=1..200)] ;
A155462 := proc(n) global a155213; ListTools[Occurrences](n, a155213) ; end:
seq(A155462(n), n=0..max(op(a155213))) ; # R. J. Mathar, Jul 23 2009

Crossrefs

Sequence in context: A266143 A171623 A117462 * A109496 A138851 A181061

Adjacent sequences: A155459 A155460 A155461 * A155463 A155464 A155465

Keyword

nonn

Author

Paul Curtz, Jan 22 2009

Extensions

Edited and extended by R. J. Mathar, Jul 23 2009

Status

approved