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A084153 Binomial transform of a Jacobsthal convolution. 1
0, 0, 1, 6, 33, 170, 861, 4326, 21673, 108450, 542421, 2712446, 13562913, 67815930, 339082381, 1695417366, 8477097753, 42385510610, 211927596741, 1059638071086, 5298190530193, 26490953000490, 132454765701501, 662273829905606 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

Binomial transform of A084152.

LINKS

Table of n, a(n) for n=0..23.

FORMULA

a(n)=(5^n-2*2^n+(-1)^n)/18; G.f.: x^2/((1+x)(1-2x)(1-5x)); E.g.f. : exp(x)(exp(2x)-exp(-x))^2/18=(exp(5x)-2exp(2x)+exp(-x))/18.

CROSSREFS

Sequence in context: A099432 A072260 A203155 * A086314 A086091 A081893

Adjacent sequences:  A084150 A084151 A084152 * A084154 A084155 A084156

KEYWORD

easy,nonn

AUTHOR

Paul Barry, May 16 2003

STATUS

approved

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Last modified May 21 04:16 EDT 2013. Contains 225474 sequences.