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A165148 a(n) = (3*8^n-4^n)/2. 4
1, 10, 88, 736, 6016, 48640, 391168, 3137536, 25133056, 201195520, 1610088448, 12882804736, 103070826496, 824600166400, 6596935548928, 52776021262336, 422210317582336, 3377691130593280, 27021563404484608, 216172644674830336 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Binomial transform of A165147. Inverse binomial transform of A165149.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

FORMULA

a(n) = 12*a(n-1)-32*a(n-2) for n > 1; a(0) = 1, a(1) = 10.

G.f.: (1-2*x)/((1-4*x)*(1-8*x)).

MATHEMATICA

Table[(3*8^n-4^n)/2, {n, 0, 20}] (* Harvey P. Dale, Jul 23 2014 *)

PROG

(MAGMA) [ (3*8^n-4^n)/2: n in [0..19] ];

CROSSREFS

Cf. A165147, A165149.

Sequence in context: A185060 A125398 A273585 * A287828 A264320 A298134

Adjacent sequences:  A165145 A165146 A165147 * A165149 A165150 A165151

KEYWORD

nonn,easy

AUTHOR

Klaus Brockhaus, Sep 15 2009

STATUS

approved

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Last modified October 25 13:09 EDT 2021. Contains 348251 sequences. (Running on oeis4.)