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A026695 T(2n,n-2), T given by A026692. 0
1, 6, 48, 200, 1324, 5220, 32590, 126829, 771933, 2996761, 18000452, 69937236, 416889740, 1622747113, 9626951158, 37552445443, 222077315939, 868086752186, 5122503757236, 20062930491568, 118205513082860, 463802040150503 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..23.

CROSSREFS

Sequence in context: A047927 A059238 A254832 * A208536 A253947 A260344

Adjacent sequences:  A026692 A026693 A026694 * A026696 A026697 A026698

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified August 11 03:41 EDT 2022. Contains 356046 sequences. (Running on oeis4.)