Smallest n-digit triangular numbers with property that digits alternate in parity, or 0 if no such number exists.

A068883

Smallest n-digit triangular numbers with property that digits alternate in parity, or 0 if no such number exists.

Terms

    a(0) =1a(1) =10a(2) =105a(3) =1830a(4) =10585a(5) =107416a(6) =1038961a(7) =10109256a(8) =101410161a(9) =1014503490a(10) =10143650961a(11) =101072103210

External references