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A161816 Denominator of fraction in Redheffer type matrix. 1
1, 2, 4, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Similar to powers of 2.
LINKS
CROSSREFS
Cf. A161815.
Sequence in context: A290128 A291778 A089887 * A240347 A160124 A295293
KEYWORD
frac,nonn
AUTHOR
Mats Granvik, Jun 20 2009
STATUS
approved

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Last modified July 21 05:28 EDT 2024. Contains 374463 sequences. (Running on oeis4.)