Number of consecutive runs of 2 odd nonprimes congruent to 3 mod 4 below 10^n.
A093186
Number of consecutive runs of 2 odd nonprimes congruent to 3 mod 4 below 10^n.
Terms
- a(0) =0a(1) =4a(2) =36a(3) =307a(4) =2848a(5) =25651a(6) =231031a(7) =2106565a(8) =19307362a(9) =177948719a(10) =1649246163a(11) =15360077721a(12) =143683073300
External references
- oeis: A093186