Triangular numbers that are 1/6 of another triangular number.

A077289

Triangular numbers that are 1/6 of another triangular number.

Terms

    a(0) =0a(1) =1a(2) =6a(3) =105a(4) =595a(5) =10296a(6) =58311a(7) =1008910a(8) =5713890a(9) =98862891a(10) =559902916a(11) =9687554415a(12) =54864771885a(13) =949281469786

External references