Number of odd composites below 10^n that are congruent to 3 modulo 4.

A093152

Number of odd composites below 10^n that are congruent to 3 modulo 4.

Terms

    a(0) =0a(1) =12a(2) =163a(3) =1881a(4) =20192a(5) =210678a(6) =2167602a(7) =22119050a(8) =224575958a(9) =2272470765a(10) =22940965468a(11) =231196012323

External references