Number of representations of 5^(2n) as a sum a^2 + b^2 + c^2 with 0 < a <= b <= c.

A185055

Number of representations of 5^(2n) as a sum a^2 + b^2 + c^2 with 0 < a <= b <= c.

Terms

    a(0) =0a(1) =0a(2) =2a(3) =14a(4) =76a(5) =388a(6) =1950a(7) =9762a(8) =48824a(9) =244136a(10) =1220698a(11) =6103510a(12) =30517572a(13) =152587884a(14) =762939446a(15) =3814697258a(16) =19073486320a(17) =95367431632a(18) =476837158194

External references