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A091711
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Exponent of 2 in (n^2)!.
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1
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0, 3, 7, 15, 22, 34, 46, 63, 78, 97, 116, 142, 165, 193, 221, 255, 286, 321, 356, 397, 435, 479, 526, 574, 620, 672, 723, 781, 836, 896, 956, 1023, 1086, 1153, 1220, 1293, 1363, 1439, 1514, 1597, 1676, 1758, 1842, 1931, 2017, 2113, 2205, 2302, 2396
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OFFSET
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1,2
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LINKS
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MATHEMATICA
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Table[IntegerExponent[(n^2)!, 2], {n, 50}] (* Harvey P. Dale, Nov 15 2018 *)
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PROG
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(PARI) a(n)=valuation((n*n)!, 2)
(Magma) [Valuation(Factorial(n^2), 2): n in [1..50]]; // Vincenzo Librandi, May 16 2013
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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