Number of consecutive runs of just 1 odd nonprime congruent to 1 mod 4 below 10^n.

A093183

Number of consecutive runs of just 1 odd nonprime congruent to 1 mod 4 below 10^n.

Terms

    a(0) =0a(1) =3a(2) =74a(3) =1114a(4) =13437a(5) =151311a(6) =1642197a(7) =17405273a(8) =181925434a(9) =1883327626a(10) =19364371468a(11) =198115934511

External references