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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.
0
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
OFFSET
1,2
COMMENTS
a(n) = 0 for n = 5k.
CROSSREFS
Sequence in context: A112124 A268916 A362236 * A129498 A010851 A343194
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