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Search: id:A006921
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| A006921 |
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Diagonals of Pascal's triangle mod 2 interpreted as binary numbers.
(Formerly M2252)
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+0
1
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| 1, 1, 3, 2, 7, 5, 13, 8, 29, 21, 55, 34, 115, 81, 209, 128, 465, 337, 883, 546, 1847, 1301, 3357, 2056, 7437, 5381, 14087, 8706, 29443, 20737, 53505, 32768, 119041, 86273, 226051, 139778, 472839, 333061, 859405, 526344, 1903901, 1377557, 3606327
(list; graph; listen)
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OFFSET
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0,3
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
B. R. Hodgson, On some number sequences related to the parity of binomial coefficients, Fib. Quart., 30 (1992), 35-47.
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CROSSREFS
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Sequence in context: A069888 A073281 A130922 this_sequence A014693 A155046 A033318
Adjacent sequences: A006918 A006919 A006920 this_sequence A006922 A006923 A006924
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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