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A034271 a(n)=f(n,n+4) where f is given in A034261. 0
0, 1, 15, 125, 814, 4641, 24388, 121380, 581400, 2707386, 12339569, 55304535, 244567050, 1069784625, 4637437560, 19951650840, 85290143760, 362608278750, 1534330716750, 6465583372794, 27147098904156, 113618646478106, 474177584413720 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

CROSSREFS

Sequence in context: A038743 A181377 A027839 * A171220 A071080 A069975

Adjacent sequences:  A034268 A034269 A034270 * A034272 A034273 A034274

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 14 19:37 EST 2012. Contains 205663 sequences.