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A059740 Erroneous version of A005160. 0
1, 0, 1, 2, 3, 0, 12, 40, 100, 0, 1225, 6460, 28812, 0, 1037232, 9779616 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

LINKS

D. P. Robbins, Symmetry classes of alternating sign matrices, arXiv:math.CO/0008045

CROSSREFS

Sequence in context: A012652 A012404 A002099 * A005160 A085042 A096542

Adjacent sequences:  A059737 A059738 A059739 * A059741 A059742 A059743

KEYWORD

dead

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Last modified February 17 08:34 EST 2012. Contains 205998 sequences.