Octagonal numbers (A000567) that are the sum of eleven consecutive octagonal numbers.
A258131
Octagonal numbers (A000567) that are the sum of eleven consecutive octagonal numbers.
Terms
- a(0) =49665a(1) =348161a(2) =19701781a(3) =138502485a(4) =7841194625a(5) =55123576321
External references
- oeis: A258131