Numbers k such that hexagonal number H(k) is the sum of two consecutive hexagonal numbers.

A251602

Numbers k such that hexagonal number H(k) is the sum of two consecutive hexagonal numbers.

Terms

    a(0) =1a(1) =19a(2) =637a(3) =21631a(4) =734809a(5) =24961867a(6) =847968661a(7) =28805972599a(8) =978555099697

External references