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A147586 A142710/2. 0
1, 1, 3, 7, 19, 56, 138, 407, 999, 2851, 7113 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..10.

CROSSREFS

Sequence in context: A183120 A100702 A224031 * A071716 A188625 A258171

Adjacent sequences:  A147583 A147584 A147585 * A147587 A147588 A147589

KEYWORD

nonn

AUTHOR

Paul Curtz, Nov 08 2008

STATUS

approved

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Last modified August 29 03:27 EDT 2015. Contains 261184 sequences.