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A059434
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Triangle formed when cumulative boustrophedon transform is applied to 1, 1, 1, 1, ..., read by rows in natural order.
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2
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1, 1, 2, 1, 3, 6, 1, 7, 16, 26, 1, 27, 69, 118, 168, 1, 169, 455, 810, 1192, 1575, 1, 1576, 4343, 7920, 11952, 16153, 20355, 1, 20356, 56864, 105324, 161704, 222427, 284726, 347026, 1, 347027, 978779, 1832958, 2848841, 3970048, 5148119, 6346546
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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EXAMPLE
| 1; 1,2; 6,3,1; 1,7,16,26; 168,118,69,27,1; ...
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CROSSREFS
| Cf. A059430, A059433.
Sequence in context: A120257 A059298 A156914 * A182928 A141476 A145888
Adjacent sequences: A059431 A059432 A059433 * A059435 A059436 A059437
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KEYWORD
| nonn,tabl,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Jan 31 2001
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EXTENSIONS
| More terms from Floor van Lamoen (fvlamoen(AT)hotmail.com), Oct 08 2001
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