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A134315 A134309 * A097806. 3
1, 1, 1, 0, 2, 2, 0, 0, 4, 4, 0, 0, 0, 8, 8, 0, 0, 0, 0, 16, 16, 0, 0, 0, 0, 0, 32, 32, 0, 0, 0, 0, 0, 0, 64, 64 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,5
COMMENTS
A134315 * [1,2,3,...] = A128135: (1, 3, 10 28, 72, 176, 416, ...).
Triangle read by rows given by [1,-1,0,0,0,0,0,0,...] DELTA [1,1,0,0,0,0,0,0,0,...] where DELTA is the operator defined in A084938. - Philippe Deléham, Oct 20 2007
LINKS
FORMULA
A134309 * A134315 as infinite lower triangular matrices. Triangle read by rows, for n>1, (n-1) zeros followed by 2^(n-1), 2^(n-1). As an infinite lower triangular matrix, (1, 1, 2, 4, 8, ...) in the main diagonal and (1, 2, 4, 8, ...) in the subdiagonal.
G.f.: (-1-x+x*y)/(-1+2*x*y). - R. J. Mathar, Aug 11 2015
EXAMPLE
First few rows of the triangle are:
1;
1, 1;
0, 2, 2;
0, 0, 4, 4;
0, 0, 0, 8, 8;
...
CROSSREFS
Sequence in context: A300646 A300776 A301400 * A268584 A119332 A335683
KEYWORD
nonn,tabl,easy
AUTHOR
Gary W. Adamson, Oct 19 2007
STATUS
approved

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Last modified March 28 16:58 EDT 2024. Contains 371254 sequences. (Running on oeis4.)