Numbers k such that hexagonal numbers H(k) and H(k+1) sum to another hexagonal number.
A251601
Numbers k such that hexagonal numbers H(k) and H(k+1) sum to another hexagonal number.
Terms
- a(0) =0a(1) =13a(2) =450a(3) =15295a(4) =519588a(5) =17650705a(6) =599604390a(7) =20368898563a(8) =691942946760
External references
- oeis: A251601