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A052457
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Number of bimagic series for squares of order n.
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6
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1, 0, 0, 2, 8, 98, 1844, 38039, 949738, 24643236, 947689757, 45828982764, 2151748695931, 123821075526032, 8131094055190149, 573957471153552576, 44010987379157415768, 3655486139293429450720, 333633403912637510806972
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OFFSET
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1,4
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LINKS
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CROSSREFS
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KEYWORD
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nonn,nice
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AUTHOR
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EXTENSIONS
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Extended Nov 08 2003, using the values of a(3) through a(11) from Christian Boyer's web site. - N. J. A. Sloane.
a(12) from Christian Boyer (cboyer(AT)club-internet.fr), Nov 05 2004
a(13)-a(15) computed by Lorenz Schlangen and later independently confirmed by Walter Trump. a(16) computed by Walter Trump. - Christian Boyer (cboyer(AT)club-internet.fr), Oct 04 2005
a(17) computed by Walter Trump and communicated by Christian Boyer (cboyer(AT)club-internet.fr), Apr 02 2007
a(18)-a(19) computed by Michael Quist Christian Boyer (cboyer(AT)club-internet.fr), Feb 06 2009
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STATUS
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approved
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