Let the increasing sequence of integers D: d₁, d₂, d₃, ...d_n-1, d_n... represent the sequence of consecutive differences of another sequence T: t₁, t₂, t₃, ...t_n-1, t_n.

Given t₁=0 , and t_k-t_k-1=d_k-1=k, provide definition and formula for the sequence T.

(In reply to Sequence Name by Steven Lord)

Is not each member one less than the corresponding triangular number?

Posted by Charlie on 2018-09-17 22:26:19