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A057928 Position at which 2^n occurs in A057926, or -1 if it does not occur. 2
0, -1, 2, 3, 6, 9, 15, 27, 36, 51, 87, 135, 243, 315, 531, 735 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..15.

CROSSREFS

Cf. A057926, A057927.

Sequence in context: A080239 A114323 A018158 * A026735 A006868 A067435

Adjacent sequences:  A057925 A057926 A057927 * A057929 A057930 A057931

KEYWORD

easy,sign

AUTHOR

Larry Reeves (larryr(AT)acm.org), Oct 03 2000

STATUS

approved

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Last modified July 29 19:03 EDT 2014. Contains 245041 sequences.