Number of chordless cycles (with length >= 4) in the complement of the n X n X n grid graph.

Terms

a(0) =0a(1) =6a(2) =780a(3) =7992a(4) =39339a(5) =134754a(6) =369918a(7) =873000a(8) =1844637a(9) =3581154a(10) =6501024a(11) =11174568a(12) =18356895a(13) =29024082a(14) =44412594a(15) =66061944a(16) =95860593a(17) =136095090a(18) =189502452a(19) =259325784a(20) =349373139a(21) =464079618a(22) =608572710a(23) =788740872a(24) =1011305349a(25) =1283895234a(26) =1615125768a(27) =2014679880