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A052397 Duplicate of A047889. 0
1, 2, 6, 24, 119, 694, 4582, 33324, 261808, 2190688, 19318688, 178108704 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..11.

CROSSREFS

Sequence in context: A256205 A116485 A256206 * A047889 A256207 A256208

Adjacent sequences:  A052394 A052395 A052396 * A052398 A052399 A052400

KEYWORD

dead

STATUS

approved

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Last modified December 8 02:07 EST 2016. Contains 278902 sequences.