

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
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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



