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A085481 Duplicate of A030195. 0
1, 3, 12, 45, 171, 648, 2457, 9315, 35316, 133893, 507627, 1924560, 7296561 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..13.

CROSSREFS

Sequence in context: A005320 A062561 A128593 * A030195 A114515 A192467

Adjacent sequences:  A085478 A085479 A085480 * A085482 A085483 A085484

KEYWORD

dead

STATUS

approved

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Last modified September 25 18:20 EDT 2017. Contains 292499 sequences.