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A164285 7*2^n+3. 1
10, 17, 31, 59, 115, 227, 451, 899, 1795, 3587, 7171, 14339, 28675, 57347, 114691, 229379, 458755, 917507, 1835011, 3670019, 7340035, 14680067, 29360131, 58720259, 117440515, 234881027, 469762051, 939524099, 1879048195, 3758096387 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

COMMENTS

Contains the primes 17, 31, 59, 227, 57347, 114691, 14680067, 7516192771,..

LINKS

Index entries for sequences related to linear recurrences with constant coefficients, signature (3,-2).

FORMULA

a(n)=2*a(n-1)-3 = 3*a(n-1)-2*a(n-2) = A005009(n)+3, a(0)=10. G.f.: (10-13*x)/((2*x-1)*(x-1)).

EXAMPLE

At n=0, a(0)=7*2^0+3=10. At n=1, a(1)=7*2^1+3=17.

CROSSREFS

Sequence in context: A034097 A034107 A019991 * A069546 A065018 A039336

Adjacent sequences:  A164282 A164283 A164284 * A164286 A164287 A164288

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Aug 12 2009

EXTENSIONS

Offset corrected by R. J. Mathar (mathar(AT)strw.leidenuiv.nl), Aug 19 2009

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Last modified February 16 10:07 EST 2012. Contains 205904 sequences.