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A094578 A094559/4. 2
0, 0, 1, 4, 19, 76, 316, 1264, 5101, 20404, 81796, 327184, 1309444, 5237776, 20953936, 83815744, 335274259, 1341097036, 5364433276, 21457733104, 85831112764, 343324451056, 1373298525616, 5493194102464, 21972779294716 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,4
LINKS
CROSSREFS
Sequence in context: A186810 A167478 A094734 * A130132 A037590 A359087
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jun 06 2004
EXTENSIONS
More terms from Brian Kuehn (brk158(AT)psu.edu), Apr 20 2006
STATUS
approved

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Last modified April 25 13:12 EDT 2024. Contains 371969 sequences. (Running on oeis4.)