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A063003 Difference between 3^n and the next larger or equal power of 2. 4
0, 1, 7, 5, 47, 13, 295, 1909, 1631, 13085, 6487, 84997, 517135, 502829, 3605639, 2428309, 24062143, 5077565, 149450423, 985222181, 808182895, 6719515981, 2978678759, 43295774645, 267326277407, 252223018333, 1856180682775 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
FORMULA
a(n) = 2^(ceiling(log_2(3^n))) - 3^n.
MATHEMATICA
Table[2^Ceiling@ Log2@ # - # &[3^n], {n, 0, 26}] (* Michael De Vlieger, Sep 30 2017 *)
PROG
(PARI) { default(realprecision, 50); t=1/log(2); for (n=0, 200, write("b063003.txt", n, " ", 2^ceil(t*log(3^n)) - 3^n) ) } \\ Harry J. Smith, Aug 15 2009
CROSSREFS
Sequence in context: A163742 A202130 A089244 * A038271 A329008 A005692
KEYWORD
easy,nonn
AUTHOR
Jens Voß, Jul 02 2001
EXTENSIONS
More terms from Marc LeBrun, Jul 11 2001
STATUS
approved

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Last modified March 28 12:26 EDT 2024. Contains 371254 sequences. (Running on oeis4.)