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A133853 (64^n-1)/63. 2
0, 1, 65, 4161, 266305, 17043521, 1090785345, 69810262081, 4467856773185, 285942833483841, 18300341342965825, 1171221845949812801, 74958198140788019265, 4797324681010433232961, 307028779584667726909505, 19649841893418734522208321 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..5000

PROG

(MAGMA) [(64^n-1)/63: n in [0..20]]; // Vincenzo Librandi, Aug 10 2011

CROSSREFS

Cf. A023001, A000364.

Sequence in context: A016111 A075474 A069225 * A188693 A206876 A188506

Adjacent sequences:  A133850 A133851 A133852 * A133854 A133855 A133856

KEYWORD

nonn,easy

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Jan 07 2008

EXTENSIONS

a(6)-a(15) from Vincenzo Librandi, Aug 10 2011

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Last modified February 15 20:26 EST 2012. Contains 205852 sequences.