Largest number formed as concatenation of a permutation of the n consecutive numbers 1+n(n-1)/2, ..., n(n+1)/2 (written in decimal).

A076069

Largest number formed as concatenation of a permutation of the n consecutive numbers 1+n(n-1)/2, ..., n(n+1)/2 (written in decimal).

Terms

    a(0) =1a(1) =32a(2) =654a(3) =98710a(4) =1514131211a(5) =212019181716

External references