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A166692
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Triangle T(n,k) read by rows: T(n,k) = 2^(k-1), k>0. T(n,0) = (n+1) mod 2.
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2
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1, 0, 1, 1, 1, 2, 0, 1, 2, 4, 1, 1, 2, 4, 8, 0, 1, 2, 4, 8, 16
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,6
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COMMENTS
| Variant of A166918.
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FORMULA
| T(2n,k) = A011782(k). T(2n+1,k) = A131577(k).
sum_{k=0..n} T(n,k) = A051049(n).
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EXAMPLE
| 1;
0,1;
1,1,2;
0,1,2,4;
1,1,2,4,8;
0,1,2,4,8,16;
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CROSSREFS
| Cf. A166494.
Sequence in context: A117316 A109189 A144172 * A046766 A003285 A059347
Adjacent sequences: A166689 A166690 A166691 * A166693 A166694 A166695
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KEYWORD
| nonn,easy,tabl
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AUTHOR
| Paul Curtz (bpcrtz(AT)free.fr), Oct 18 2009
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