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A026968 a(n) = Sum_{k=0..n-2} T(n,k) * T(n,k+2), with T given by A026637. 0
1, 8, 41, 208, 856, 3552, 14172, 56462, 223292, 881656, 3475141, 13688112, 53891760, 212145608, 835111160, 3287779006, 12946154944, 50989472460, 200879577216, 791617503410, 3120501139160, 12304529289928, 48533074308046, 191488113441258, 755744827552836, 2983563960355832 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..27.

CROSSREFS

Sequence in context: A080840 A199846 A188180 * A026978 A037577 A265149

Adjacent sequences:  A026965 A026966 A026967 * A026969 A026970 A026971

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

More terms from Sean A. Irvine, Oct 20 2019

STATUS

approved

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Last modified May 22 11:06 EDT 2022. Contains 353949 sequences. (Running on oeis4.)