a(n) = floor[X/Y] where X = concatenation of first n even numbers in increasing order and Y = n-th triangular number.
A067119
a(n) = floor[X/Y] where X = concatenation of first n even numbers in increasing order and Y = n-th triangular number.
Terms
- a(0) =2a(1) =8a(2) =41a(3) =246a(4) =16454a(5) =1175286a(6) =88146471a(7) =6855836706a(8) =548466936480
External references
- oeis: A067119