Octagonal numbers (A000567) that are other octagonal numbers divided by 2.
A259079
Octagonal numbers (A000567) that are other octagonal numbers divided by 2.
Terms
- a(0) =280a(1) =373212840
External references
- oeis: A259079
A259079
Octagonal numbers (A000567) that are other octagonal numbers divided by 2.