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A084399 Duplicate of A067057. 0
0, 2, 22, 140, 680, 2800, 10304, 34944, 111360, 337920, 985600, 2782208, 7641088 (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: A330900 A062180 A244719 * A067057 A202738 A286778

Adjacent sequences:  A084396 A084397 A084398 * A084400 A084401 A084402

KEYWORD

dead

STATUS

approved

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Last modified October 29 13:26 EDT 2020. Contains 338066 sequences. (Running on oeis4.)