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A059220 The array in A059219 read by antidiagonals in 'up' direction. 7
1, 0, 1, 2, 1, 0, 0, 2, 3, 5, 15, 12, 8, 5, 0, 0, 15, 27, 39, 48, 55, 239, 221, 190, 152, 103, 55, 0, 0, 239, 460, 680, 871, 1025, 1137, 1199, 6810, 6553, 6062, 5374, 4493, 3471, 2336, 1199, 0, 0, 6810, 13363, 19903, 25958, 31351, 35884, 39399, 41847 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..54.

Index entries for sequences related to boustrophedon transform

EXAMPLE

The array begins

1 1 0 5 0 55 0 ...

0 1 3 5 48 55 ...

2 2 8 39 103 ...

0 12 27 152 ...

15 15 190 ...

0 221 ...

MAPLE

See A059219 for Maple code.

CROSSREFS

Cf. A000667, A059216, A059219, A059217, A059235.

Sequence in context: A199881 A060701 A063181 * A059431 A113263 A063658

Adjacent sequences:  A059217 A059218 A059219 * A059221 A059222 A059223

KEYWORD

easy,nonn,tabl,nice

AUTHOR

N. J. A. Sloane, Jan 18 2001

EXTENSIONS

More terms from Floor van Lamoen (fvlamoen(AT)hotmail.com), Jan 19 2001

STATUS

approved

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Last modified May 23 09:43 EDT 2013. Contains 225586 sequences.