Minimal number of times a rectangular grid of n X n+1 elements can be slid along a 45-degree line before a rotated version of the initial grid appears.
A110026
Minimal number of times a rectangular grid of n X n+1 elements can be slid along a 45-degree line before a rotated version of the initial grid appears.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =5a(4) =21a(5) =45a(6) =231a(7) =585a(8) =1155a(9) =9945a(10) =21945a(11) =69615a(12) =504735a(13) =348075a(14) =4542615a(15) =10094175a(16) =140821065a(17) =111035925a(18) =140821065a(19) =4108329225a(20) =1830673845a(21) =168441498225a(22) =78718975335a(23) =168441498225
External references
- oeis: A110026