a(n) = A256046(2n+1): order of all-2s configuration on the (2n+1) X (2n+1) sandpile grid graph.
A256047
a(n) = A256046(2n+1): order of all-2s configuration on the (2n+1) X (2n+1) sandpile grid graph.
Terms
- a(0) =2a(1) =8a(2) =52a(3) =272a(4) =73124a(5) =3944920a(6) =10931550116a(7) =47480563744
External references
- oeis: A256047