Reverse concatenation of first n positive integers modulo forward concatenation of first n positive integers.

A095249

Reverse concatenation of first n positive integers modulo forward concatenation of first n positive integers.

Terms

    a(0) =0a(1) =9a(2) =75a(3) =619a(4) =4941a(5) =37041a(6) =246919a(7) =1234575a(8) =9a(9) =10987654321

External references