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A100102 2^(2*n)-(2*n-1). 1
2, 3, 13, 59, 249, 1015, 4085, 16371, 65521, 262127, 1048557, 4194283, 16777193, 67108839, 268435429, 1073741795, 4294967265, 17179869151, 68719476701, 274877906907, 1099511627737, 4398046511063, 17592186044373, 70368744177619 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..23.

MAPLE

seq(2^(2*n)-(2*n-1), n=0..20);

CROSSREFS

Sequence in context: A184256 A105050 A184179 * A208202 A206482 A164582

Adjacent sequences:  A100099 A100100 A100101 * A100103 A100104 A100105

KEYWORD

nonn,easy

AUTHOR

Jorge Coveiro, Dec 26 2004

EXTENSIONS

More terms from Emeric Deutsch, Feb 15 2005

STATUS

approved

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Last modified August 11 23:45 EDT 2020. Contains 336434 sequences. (Running on oeis4.)