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A056744 Smallest number which when written in binary contains the binary strings for the numbers 1..n. 1
1, 2, 6, 12, 44, 44, 92, 184, 1208, 1256, 4792, 4792, 9912, 9912, 19832, 39664, 563952, 576464, 4496112, 4499184, 17996528, 17997488, 143972080, 143972080, 145057520, 145070832, 294967024, 294967024, 589944560, 589944560, 1179889136 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..31.

EXAMPLE

a(6)=44 because 101100 (44 in base 2) is the smallest number that contains 1, 10, 11, 100, 101 and 110 (1 through 6 in base 2)

CROSSREFS

Sequence in context: A127724 A178008 A266005 * A164859 A261467 A180070

Adjacent sequences:  A056741 A056742 A056743 * A056745 A056746 A056747

KEYWORD

base,nonn

AUTHOR

Fred J. Schalekamp, Aug 15 2000

EXTENSIONS

More terms from Naohiro Nomoto, Jul 20 2001

a(25)-a(32) from Ray Chandler, Nov 06 2008

STATUS

approved

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Last modified November 14 16:49 EST 2018. Contains 317210 sequences. (Running on oeis4.)