Number of (2n+1)-digit squares in carryless arithmetic mod 10.

A169963

Number of (2n+1)-digit squares in carryless arithmetic mod 10.

Terms

    a(0) =5a(1) =46a(2) =452a(3) =4504a(4) =45008a(5) =450016a(6) =4500032a(7) =45000064a(8) =450000128a(9) =4500000256a(10) =45000000512a(11) =450000001024

External references