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A034273 a(n)=f(n,n+6) where f is given in A034261. 0
0, 1, 19, 186, 1365, 8540, 48348, 255816, 1289739, 6273135, 29683225, 137447310, 625482585, 2806282440, 12443418600, 54633668400, 237871030860, 1028260382994, 4417404967206, 18874729444340, 80265980340370, 339907420551336, 1434074601137640 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

CROSSREFS

Sequence in context: A125382 A126540 A008419 * A193575 A161512 A162347

Adjacent sequences:  A034270 A034271 A034272 * A034274 A034275 A034276

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

EXTENSIONS

Corrected and extended Apr 21 2000 - N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 14:07 EST 2012. Contains 205930 sequences.