Smallest multiple of n beginning with the backward concatenation of numbers from (n-1) to 1.

A080454

Smallest multiple of n beginning with the backward concatenation of numbers from (n-1) to 1.

Terms

    a(0) =0a(1) =10a(2) =21a(3) =3212a(4) =43210a(5) =543210a(6) =6543215a(7) =76543216a(8) =87654321a(9) =9876543210a(10) =109876543216

External references