OFFSET
1,4
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
FORMULA
MATHEMATICA
Table[DigitCount[n, 2, 1]-DigitCount[Prime[n], 2, 1], {n, 80}] (* Harvey P. Dale, Aug 08 2013 *)
CROSSREFS
KEYWORD
sign,base
AUTHOR
Reinhard Zumkeller, Dec 01 2003
EXTENSIONS
Definition clarified by Harvey P. Dale, Aug 08 2013
STATUS
approved