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A026675 T(2n-1,n-2), T given by A026670. Also T(2n-1,n-2)=T(2n,n+2), T given by A026725 and T(2n,n-2), T given by A026736. 1
1, 6, 29, 131, 575, 2488, 10681, 45641, 194467, 827045, 3512983, 14909339, 63239487, 268127302, 1136495965, 4816202207, 20406887583, 86457399359, 366263778659, 1551535465465, 6572224024539, 27838835937511, 117918419518219 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

COMMENTS

Column k=5 of triangle A236830. - Philippe Deléham, Feb 02 2014

LINKS

Table of n, a(n) for n=2..24.

FORMULA

G.f.: (x^2*C(x)^5)/(1-x*C(x)^3) where C(x) is the g.f. of A000108. - Philippe Deléham, Feb 02 2014

CROSSREFS

Cf. A236830

Sequence in context: A081674 A173413 A008549 * A026873 A081179 A026866

Adjacent sequences:  A026672 A026673 A026674 * A026676 A026677 A026678

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 24 12:59 EST 2018. Contains 299623 sequences. (Running on oeis4.)