A034274 - OEIS

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A034274

a(n)=f(n,n-1) where f is given in A034261.

5, 25, 119, 546, 2442, 10725, 46475, 199342, 848198, 3585946, 15080870, 63146500, 263432340, 1095517485, 4543460595, 18798494550, 77616288750, 319874637390, 1316106144210, 5407045011420, 22184521682700, 90910797617250, 372137346502974

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..23.

CROSSREFS

Sequence in context: A244828 A357598 A238808 * A110212 A344097 A268940

Adjacent sequences: A034271 A034272 A034273 * A034275 A034276 A034277

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

Corrected and extended Apr 21 2000 - N. J. A. Sloane.

STATUS

approved