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A137400 A128941(n) + 2. 1
6, 30, 140, 631, 2786, 12136, 52368, 224406 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Sequence in context: A092439 A082149 A002457 * A199938 A026749 A003279

Adjacent sequences:  A137397 A137398 A137399 * A137401 A137402 A137403

KEYWORD

nonn

AUTHOR

Lyle Ramshaw (lyle.ramshaw(AT)hp.com), Apr 08 2008

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Last modified February 14 06:20 EST 2012. Contains 205570 sequences.