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A046648 Duplicate of A006013. 0
1, 2, 7, 30, 143, 728, 3876, 21318, 120175, 690690, 4032015, 23841480, 142498692 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A116363 A186858 A174796 * A006013 A187979 A196148

Adjacent sequences:  A046645 A046646 A046647 * A046649 A046650 A046651

KEYWORD

dead

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Last modified February 13 10:20 EST 2012. Contains 205451 sequences.