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A079450 a(n)=2^(n-1)*u(n) where u(1)=1 and u(n)=frac(3/2*u(n-1))+1. 0
1, 3, 5, 15, 29, 55, 101, 175, 269, 807, 1397, 2143, 6429, 11095, 16901, 50703, 86573, 259719, 517013, 1026751, 2031677, 3997879, 7799333, 15009391, 28250957, 51198439, 86486453, 259459359, 509942621, 992956951, 1905129029, 3567903439 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..32.

FORMULA

a(n+1)<=3*a(n). Conjecture : a(n+1)=3*a(n) if and only if n is a greedy power of (2/3) (i.e. n is in A077468)

CROSSREFS

Sequence in context: A051044 A003536 A118173 * A166956 A048738 A018454

Adjacent sequences:  A079447 A079448 A079449 * A079451 A079452 A079453

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Jan 13 2003

STATUS

approved

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Last modified November 23 07:56 EST 2014. Contains 249839 sequences.