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Search: id:A083585
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A083585 (8*5^n-5*2^n)/3. +0
1
1, 10, 60, 320, 1640, 8280, 41560, 208120, 1041240, 5207480, 26039960, 130204920, 651034840, 3255194680, 16276014360, 81380153720, 406900932440, 2034504989880, 10172525604760, 50862629334520, 254313149294040 (list; graph; listen)
OFFSET

0,2

COMMENT

Binomial transform of A083854

FORMULA

a(n)=(8*5^n-5*2^n)/3 G.f. (1+3x)/((1-2x)(1-5x)) E.g.f. (8exp(5x)-5exp(2x))/3

CROSSREFS

Sequence in context: A004406 A003472 A112502 this_sequence A002493 A054364 A004309

Adjacent sequences: A083582 A083583 A083584 this_sequence A083586 A083587 A083588

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), May 01 2003

page 1

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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