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A090174
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Triangle read by rows, related to Pascal's triangle read mod 2.
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5
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1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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REFERENCES
| Y. Moshe, The density of 0's in recurrence double sequences, J Number Theory, 103 (2003), 109-121; see Fig. 2.
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FORMULA
| a(n, k) = A091533(n, k) mod 2.
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EXAMPLE
| 1; 1,1; 0,1,0; 1,1,1,1; 1,1,1,1,1; ...
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CROSSREFS
| Row sums: A091564. Cf. A007318, A083093, A090171-A090173.
Sequence in context: A174897 A092079 A140074 * A165556 A127243 A127248
Adjacent sequences: A090171 A090172 A090173 * A090175 A090176 A090177
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KEYWORD
| nonn,easy,tabl
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Jan 19 2004
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EXTENSIONS
| Edited and extended by Christian G. Bower (bowerc(AT)usa.net), Jan 19 2004
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