A069873 - OEIS

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A069873

Smallest concatenation of powers of 2 in ascending order that is a multiple of n, or 0 if no such number exists.

1, 12, 12, 12, 0, 12, 1248163264128256, 1248, 12481632, 0, 1248163264128, 12, 1248, 1248163264128256, 0, 1248, 1248163264128256512, 12481632, 12481632, 0, 124816326412825651210242048, 1248163264128, 1248163264, 1248, 0, 1248

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OFFSET

1,2

COMMENTS

a(n) = 0 for n = 5k.

LINKS

Table of n, a(n) for n=1..26.

CROSSREFS

Sequence in context: A112124 A268916 A362236 * A129498 A010851 A343194

Adjacent sequences: A069870 A069871 A069872 * A069874 A069875 A069876

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Apr 24 2002

EXTENSIONS

Corrected and extended by Larry Reeves (larryr(AT)acm.org), Jul 09 2002

STATUS

approved