References to A156769

A 'look-a-like' of the denominators in Taylor series for tan(x)
1, 3, 15, 315, 2835, 155925, 6081075, 638512875, 10854718875, 1856156927625

1 seqfan posts

Mon May 4 20:54:06 CEST 2009    [seqfan] Look-a-likes (A156769~A036279), (A160143~A009843)
Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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