Number of subgroups L of Z^n with the property that for every a in Z^n there exists precisely one b in L with d(a,b) <= 1. Here d denotes Euclidean distance.
A026739
Number of subgroups L of Z^n with the property that for every a in Z^n there exists precisely one b in L with d(a,b) <= 1. Here d denotes Euclidean distance.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =8a(4) =72a(5) =384a(6) =3840a(7) =80640a(8) =645120a(9) =10321920a(10) =309657600a(11) =3715891200a(12) =102187008000
External references
- oeis: A026739