Numbers n such that the hexagonal number X(n) is equal to the sum of the heptagonal number H(m) and H(m+1) for some m.
A252077
Numbers n such that the hexagonal number X(n) is equal to the sum of the heptagonal number H(m) and H(m+1) for some m.
Terms
- a(0) =1a(1) =769a(2) =1108537a(3) =1598509225
External references
- oeis: A252077