Indices of the 7-gonal numbers that are the sum of 2 consecutive 7-gonal numbers.

A133327

Indices of the 7-gonal numbers that are the sum of 2 consecutive 7-gonal numbers.

Terms

    a(0) =1a(1) =241a(2) =19265a(3) =9435905a(4) =755214769a(5) =369906335809

External references