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A000661 Shifts 2 places left under boustrophedon transform. +0
1
1, 0, 1, 1, 2, 6, 17, 62, 259, 1230, 6592, 39313, 258575, 1860318, 14538245, 122670593, 1111715644, 10771412394, 111125142979, 1216309735378, 14078811306851, 171837279141312, 2205768169095338, 29707098687614285 (list; graph; listen)
OFFSET

0,5

LINKS

J. Millar, N. J. A. Sloane and N. E. Young, A new operation on sequences: the Boustrophedon on transform, J. Combin. Theory, 17A 44-54 1996 (Abstract, pdf, ps).

N. J. A. Sloane, My favorite integer sequences, in Sequences and their Applications (Proceedings of SETA '98).

N. J. A. Sloane, Transforms

Index entries for sequences related to boustrophedon transform

CROSSREFS

Sequence in context: A000687 A085827 A150035 this_sequence A150036 A150037 A150038

Adjacent sequences: A000658 A000659 A000660 this_sequence A000662 A000663 A000664

KEYWORD

nonn,eigen

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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