1,2

(GAP:) c := CyclicGroup(n); aut := AutomorphismGroup(DirectProduct(c, c)); lat := LatticeSubgroups(aut);

Cf. A000252.

Adjacent sequences: A066511 A066512 A066513 this_sequence A066515 A066516 A066517

Sequence in context: A069508 A079465 A061792 this_sequence A009577 A097300 A110431

nonn

Sharon Sela (sharonsela(AT)hotmail.com), Jan 04 2002