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A190297 Bisection of A013697. 1
1, 12, 57, 245, 1005, 4063, 16327, 65435, 261965, 1048259, 4193742, 16776218, 67107091, 268432305, 1073736223 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..15.

CROSSREFS

Sequence in context: A051877 A212065 A121693 * A072259 A272233 A283164

Adjacent sequences:  A190294 A190295 A190296 * A190298 A190299 A190300

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, May 13 2011

STATUS

approved

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Last modified June 25 22:16 EDT 2019. Contains 324358 sequences. (Running on oeis4.)