References to A046729

G.f.: 4x/((1+x)(1-6x+x^2)).
0, 4, 20, 120, 696, 4060, 23660, 137904, 803760, 4684660, 27304196, 159140520


1 seqfan posts

Sun Jan 11 23:36:02 CET 2009    [seqfan] Index of linear recurrences

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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