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A063408
Number of cyclic subgroups of order 5 of general affine group AGL(n,2).
0
0, 0, 0, 5376, 2666496, 895942656, 260079353856, 5663488009568256, 731639373896934752256, 63867566904037836331155456, 4781235184059094238818788704256, 436966645827601226875601365191622656
OFFSET
1,4
COMMENTS
Number of cyclic subgroups of order m in general affine group AGL(n,2) is 1/phi(m)*Sum_{d|m} mu(m/d)*b(n,d), where b(n,d) is number of solutions to x^d=1 in AGL(n,2).
FORMULA
a(n) = (A063388(n)-1)/4.
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladeta Jovovic, Jul 17 2001
STATUS
approved