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A035318 Right-hand diagonal of A035309. 1
1, 1, 1, 10, 21, 483, 1485, 56628, 225225, 12317877 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

CROSSREFS

Sequence in context: A153317 A110418 A041198 * A039821 A109326 A080454

Adjacent sequences:  A035315 A035316 A035317 * A035319 A035320 A035321

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 20:43 EST 2012. Contains 205963 sequences.