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Search: id:A165151
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A165151 a(n) = (3*11^n-7^n)/2. +0
3
1, 13, 157, 1825, 20761, 233173, 2598517, 28818985, 318655921, 3516744733, 38764899277, 426978842545, 4700721921481, 51735623710693, 569285638838437, 6263498473368505, 68907978330073441, 758054227491947053 (list; graph; listen)
OFFSET

0,2

COMMENT

Binomial transform of A165150. Inverse binomial transform of A165152.

FORMULA

a(n) = 18*a(n-1)-77*a(n-2) for n > 1; a(0) = 1, a(1) = 13.

G.f.: (1-5*x)/((1-7*x)*(1-11*x)).

PROGRAM

(MAGMA) [ (3*11^n-7^n)/2: n in [0..17] ];

CROSSREFS

Cf. A165150, A165152.

Sequence in context: A072841 A159499 A125470 this_sequence A016125 A015470 A084328

Adjacent sequences: A165148 A165149 A165150 this_sequence A165152 A165153 A165154

KEYWORD

nonn

AUTHOR

Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Sep 15 2009

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.


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