Central circular Delannoy numbers: a(n) is the number of Delannoy loops on an n X n toroidal grid.
A361743
Central circular Delannoy numbers: a(n) is the number of Delannoy loops on an n X n toroidal grid.
Terms
- a(0) =1a(1) =2a(2) =16a(3) =114a(4) =768a(5) =5010a(6) =32016a(7) =201698a(8) =1257472a(9) =7777314a(10) =47800080a(11) =292292946a(12) =1779856128a(13) =10799942322a(14) =65336473104a(15) =394246725570
External references
- oeis: A361743