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A083295 a(n) = (4*2^n + (-8)^n)/5. 3
1, 0, 16, -96, 832, -6528, 52480, -419328, 3355648, -26843136, 214749184, -1717985280, 13743898624, -109951156224, 879609315328, -7036874391552, 56294995394560, -450359962632192, 3602879702106112, -28823037614751744, 230584300922208256 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
COMMENTS
Binomial transform of A083294.
LINKS
FORMULA
a(n) = (4*2^n + (-8)^n)/5.
G.f.: (1+6*x)/((1-2*x)*(1+8*x)).
E.g.f.: (4*exp(2*x) + exp(-8*x))/5.
PROG
(Magma) [(4*2^n+(-8)^n)/5: n in [0..30]]; // Vincenzo Librandi, Jun 08 2011
CROSSREFS
Cf. A083296.
Sequence in context: A185789 A322617 A014352 * A044267 A044648 A041488
KEYWORD
easy,sign
AUTHOR
Paul Barry, Apr 24 2003
STATUS
approved

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Last modified April 17 08:00 EDT 2024. Contains 371756 sequences. (Running on oeis4.)