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A090455 Difference between numbers of binary 1's of n and binary 1's of n-th prime. 5
0, -1, 0, -2, -1, -1, 1, -2, -2, -2, -2, -1, 0, -1, -1, -3, -3, -3, 0, -2, 0, -2, 0, -2, 0, -1, -1, -2, -1, 0, -2, -2, -1, -2, -1, -3, -2, -1, -1, -3, -2, -2, -3, 0, 0, -1, 0, -5, -2, -2, -1, -4, -1, -3, 3, -1, 0, -1, 1, 0, 0, 1, 1, -5, -3, -4, -2, -2, -3, -3, 0, -4, -4, -3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

a(n) = A000120(n) - A014499(n);

a(A071600(n))=a(A049084(A072439(n)))=0; a(A049084(A090456(n)))<0; a(A049084(A090457(n)))>0.

LINKS

Table of n, a(n) for n=1..74.

MATHEMATICA

Table[DigitCount[n, 2, 1]-DigitCount[Prime[n], 2, 1], {n, 80}] (* Harvey P. Dale, Aug 08 2013 *)

CROSSREFS

Cf. A007088, A004676, A090431.

Sequence in context: A087742 A072530 A184341 * A273190 A086288 A104360

Adjacent sequences:  A090452 A090453 A090454 * A090456 A090457 A090458

KEYWORD

sign,base

AUTHOR

Reinhard Zumkeller, Dec 01 2003

EXTENSIONS

Definition clarified by Harvey P. Dale, Aug 08 2013

STATUS

approved

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Last modified November 22 00:32 EST 2019. Contains 329383 sequences. (Running on oeis4.)