Let (A,B)=(a(2*n),a(2*n+1)), then (A,B) is (even,odd), gcd(A,B)=1 and A^2 + B^2 = 5^n. Note: a(0)=0.

A098122

Let (A,B)=(a(2*n),a(2*n+1)), then (A,B) is (even,odd), gcd(A,B)=1 and A^2 + B^2 = 5^n. Note: a(0)=0.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =1a(4) =4a(5) =3a(6) =2a(7) =11a(8) =24a(9) =7a(10) =38a(11) =41a(12) =44a(13) =117a(14) =278a(15) =29a(16) =336a(17) =527a(18) =718a(19) =1199a(20) =3116a(21) =237a(22) =2642a(23) =6469a(24) =10296a(25) =11753a(26) =33802a(27) =8839a(28) =16124a(29) =76443

External references