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

A068884

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

Terms

    a(0) =6a(1) =78a(2) =903a(3) =9870a(4) =96141a(5) =941878a(6) =9850141a(7) =98947278a(8) =985036305a(9) =9892547470a(10) =98585094741a(11) =989436909450

External references