Number of distinct vertex-magic total labelings on cycle C_n.
A145692
Number of distinct vertex-magic total labelings on cycle C_n.
Terms
- a(0) =4a(1) =6a(2) =6a(3) =20a(4) =118a(5) =282a(6) =1540a(7) =7092a(8) =36128a(9) =206848a(10) =1439500a(11) =10066876a(12) =74931690a(13) =613296028a(14) =5263250382a(15) =47965088850
External references
- oeis: A145692