Number of positive integers k less than 10^n such that k is a sum of two squares and k/2 is an even power.
A275650
Number of positive integers k less than 10^n such that k is a sum of two squares and k/2 is an even power.
Terms
- a(0) =4a(1) =28a(2) =214a(3) =1803a(4) =15830a(5) =142844a(6) =1313047a(7) =12220699a(8) =114790260a(9) =1085885280a(10) =10330026070a(11) =98719755796a(12) =947012920362
External references
- oeis: A275650