From hexagons in a circle problem.
A028231
From hexagons in a circle problem.
Terms
- a(0) =1a(1) =22a(2) =313a(3) =4366a(4) =60817a(5) =847078a(6) =11798281a(7) =164328862a(8) =2288805793a(9) =31878952246a(10) =444016525657
External references
- oeis: A028231