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Search: id:A006048
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| A006048 |
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Entries in first n rows of Pascal's triangle not divisible by 3.
(Formerly M2519)
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+0
1
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| 1, 3, 6, 8, 12, 18, 21, 27, 36, 38, 42, 48, 52, 60, 72, 78, 90, 108, 111, 117, 126, 132, 144, 162, 171, 189, 216, 218, 222, 228, 232, 240, 252, 258, 270, 288, 292, 300, 312, 320, 336, 360, 372, 396
(list; graph; listen)
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OFFSET
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0,2
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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).
J.-P. Allouche and J. Shallit, The ring of k-regular sequences, Theoretical Computer Sci., 98 (1992), 163-197.
A. Lakhtakia et al., Fractal sequences derived from the self-similar extensions of the Sierpinski gasket, J. Phys. A 21 (1988), 1925-1928.
A. Lakhtakia and R. Messier, Self-similar sequences and chaos from Gauss sums, Computers and Graphics, 13 (1989), 59-62.
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LINKS
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J.-P. Allouche and J. Shallit, The ring of k-regular sequences, Theoretical Computer Sci., 98 (1992), 163-197.
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CROSSREFS
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Sequence in context: A077024 A082873 A161909 this_sequence A049827 A072107 A084578
Adjacent sequences: A006045 A006046 A006047 this_sequence A006049 A006050 A006051
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KEYWORD
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nonn
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AUTHOR
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Jeffrey Shallit
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