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Search: id:A026155
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A026155 T(n,n-4), where T is the array in A026148. +0
1
1, 4, 16, 56, 189, 616, 1967, 6182, 19205, 59124, 180726, 549276, 1661646, 5007520, 15042722, 45068836, 134727499, 401991436, 1197519631, 3562523314, 10585937404, 31424706800, 93206486620, 276253350360, 818278951035, 2422518642516 (list; graph; listen)
OFFSET

4,2

CROSSREFS

First differences of A026329.

Sequence in context: A073388 A109634 A026126 this_sequence A025182 A057585 A097128

Adjacent sequences: A026152 A026153 A026154 this_sequence A026156 A026157 A026158

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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