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A274314 a(n) = number of squares in GL(n,2), the ring of invertible n X n matrices over GF(2). 0
1, 1, 3, 126, 11340, 5940840, 12076523928, 95052257647200, 3153668941285723200, 406198470650573931200640, 215366179177149634500004545792, 447870507819487666185959047316144640, 3770394197251690930118967532374966498493440, 126205342254129164806148123600990735262978861434880, 16960349752279776751561660450391351891796348875427924676608 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
Victor S. Miller, Counting Matrices that are Squares, arXiv:1606.09299 [math.GR], 2016.
CROSSREFS
Sequence in context: A160879 A157562 A324152 * A157592 A213988 A159319
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 25 2016
STATUS
approved

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Last modified March 18 22:50 EDT 2024. Contains 370951 sequences. (Running on oeis4.)