A034267 - OEIS

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A034267

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

1

0, 1, 7, 39, 196, 930, 4257, 19019, 83512, 361998, 1553630, 6615686, 27992472, 117823940, 493768485, 2061580275, 8580127920, 35611376790, 147447066690, 609200868210, 2512267906200, 10342848445020, 42516521451690, 174535009040574

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,3

LINKS

Table of n, a(n) for n=1..24.

CROSSREFS

Sequence in context: A032207 A004057 A081898 * A198767 A026752 A026379

Adjacent sequences: A034264 A034265 A034266 * A034268 A034269 A034270

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

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

STATUS

approved