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A087439
Expansion of (1-4x)/((1-x)(1-3x)(1-5x)).
1
1, 5, 22, 98, 451, 2135, 10312, 50468, 249061, 1235465, 6147802, 30650438, 152986471, 764135195, 3818284492, 19084248008, 95399716681, 476934013325, 2384476356382, 11921800651178, 59607259863691, 298031069141855
OFFSET
0,2
COMMENTS
Partial sums of A081186. The sequence 0,1,5,22,.. is given by 5^n/8+3^n/4-3/8. Binomial transform of A087440.
FORMULA
a(n)=5*5^n/8+3*3^n/4-3/8.
CROSSREFS
Sequence in context: A342554 A129164 A123347 * A033452 A346772 A295519
KEYWORD
easy,nonn
AUTHOR
Paul Barry, Sep 03 2003
STATUS
approved