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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
CROSSREFS
Sequence in context: A032207 A004057 A081898 * A198767 A026752 A026379
KEYWORD
nonn
AUTHOR
EXTENSIONS
Corrected and extended Apr 21 2000 - N. J. A. Sloane.
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)