OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
spm[n_]:=Module[{k=1}, While[!PrimeQ[DigitCount[k*n, 2, 1]], k++]; k*n]; Array[ spm, 70] (* Harvey P. Dale, Apr 03 2022 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Leroy Quet, May 29 2009
EXTENSIONS
Extended by Ray Chandler, Jun 14 2009
STATUS
approved