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A269890
Number of conjugacy classes of subgroups of the hyperoctahedral group.
0
2, 8, 33, 193, 953, 7440, 55200, 627187, 7510549
OFFSET
1,1
PROG
(GAP) Length(ConjugacyClassesSubgroups(CoxeterGroup( "B", n )));
(Magma) [#Subgroups(CoxeterGroup("B" cat IntegerToString(n))) : n in [1..9]]; // Robin Visser, Aug 09 2023
CROSSREFS
Cf. A000638.
Sequence in context: A030977 A030821 A236382 * A005040 A191551 A263627
KEYWORD
nonn,hard,more
AUTHOR
Martin Rubey, Mar 07 2016
EXTENSIONS
a(6)-a(9) from Robin Visser, Aug 09 2023
STATUS
approved