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A134764 A054525 * A000984. 1
1, 1, 5, 18, 69, 245, 923, 3412, 12864, 48549, 184755, 705162, 2704155, 10399675, 40116525, 155114088, 601080389, 2333593104, 9075135299, 35345215162, 137846527891, 538257689683, 2104098963719, 8233430018756, 32247603683030 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
FORMULA
Möbius transform of A000984.
EXAMPLE
a(4) = 18 = (0, -1, 0, 1) dot (1, 2, 6, 20), where A000984 = (1, 2, 6, 20, 70, 252, ...) and (0, -1, 0, 1) = row 4 of triangle A054525.
MAPLE
read("transforms") : A000984 := proc(n) binomial(2*n, n) ; end: a000984 := [seq(A000984(n), n=0..50)] ; a134764 := MOBIUS(a000984) ; for i from 1 to nops(a134764) do printf("%d, ", op(i, a134764)) ; od: # R. J. Mathar, Jan 19 2009
CROSSREFS
Sequence in context: A199843 A109438 A164051 * A188177 A343490 A302077
KEYWORD
nonn
AUTHOR
Gary W. Adamson, Nov 09 2007
EXTENSIONS
More terms from R. J. Mathar, Jan 19 2009
STATUS
approved

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Last modified February 22 06:09 EST 2024. Contains 370240 sequences. (Running on oeis4.)