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Search: id:A054554
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| 1, 3, 13, 31, 57, 91, 133, 183, 241, 307, 381, 463, 553, 651, 757, 871, 993, 1123, 1261, 1407, 1561, 1723, 1893, 2071, 2257, 2451, 2653, 2863, 3081, 3307, 3541, 3783, 4033, 4291, 4557, 4831, 5113, 5403, 5701, 6007, 6321, 6643, 6973, 7311, 7657, 8011, 8373
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Move in 1-3 direction in a spiral organized like A068225 etc.
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FORMULA
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Equals binomial transform of [1, 2, 8, 0, 0, 0,...]. - Gary W. Adamson (qntmpkt(AT)yahoo.com), May 03 2008
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CROSSREFS
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Cf. A054553, A068225, A054552, A054556, A054567, A054569, A033951.
Sequence in context: A022264 A097955 A077717 this_sequence A051939 A082709 A106090
Adjacent sequences: A054551 A054552 A054553 this_sequence A054555 A054556 A054557
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KEYWORD
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easy,nonn
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AUTHOR
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Enoch Haga, G. L. Honaker, Jr. (Enokh(AT)comcast.net), Apr 10 2000
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EXTENSIONS
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Edited by Frank Ellermann, Feb 24 2002
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