Indices of heptagonal numbers (A000566) which are also squares (A000290).

A046195

Indices of heptagonal numbers (A000566) which are also squares (A000290).

Terms

    a(0) =1a(1) =6a(2) =49a(3) =961a(4) =8214a(5) =70225a(6) =1385329a(7) =11844150a(8) =101263969a(9) =1997643025a(10) =17079255654a(11) =146022572641

External references