login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A161753
Squares of nonprime numbers A141468.
4
0, 1, 16, 36, 64, 81, 100, 144, 196, 225, 256, 324, 400, 441, 484, 576, 625, 676, 729, 784, 900, 1024, 1089, 1156, 1225, 1296, 1444, 1521, 1600, 1764, 1936, 2025, 2116, 2304, 2401, 2500, 2601, 2704, 2916, 3025, 3136, 3249, 3364, 3600, 3844, 3969, 4096
OFFSET
1,3
COMMENTS
Essentially the same as A062312: a(1)=0, a(n)=A062312(n-1) for n>=2. - R. J. Mathar, Sep 11 2012
LINKS
EXAMPLE
0=0^2, 1=1^2, 16=4^2, 36=6^2, etc.
MATHEMATICA
With[{nn=100}, Complement[Range[0, nn], Prime[Range[PrimePi[nn]]]]^2] (* Harvey P. Dale, Jul 04 2013 *)
CROSSREFS
Sequence in context: A359767 A253260 A144548 * A062312 A326709 A331139
KEYWORD
nonn,easy
AUTHOR
EXTENSIONS
Corrected and edited by Omar E. Pol, Jun 29 2009
STATUS
approved