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A054539 A000016 / 2. 1
1, 1, 2, 3, 5, 8, 15, 26, 47, 86, 158, 293, 548, 1024, 1928, 3643, 6899, 13108, 24970, 47663, 91181, 174768, 335546, 645278, 1242767, 2396746, 4628198, 8947868, 17318417, 33554432, 65075294, 126322568, 245426708 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,3

LINKS

Table of n, a(n) for n=3..35.

CROSSREFS

A063776(n) / 4, n>2.

Sequence in context: A082095 A177486 A006982 * A026702 A000047 A101172

Adjacent sequences:  A054536 A054537 A054538 * A054540 A054541 A054542

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Apr 10 2000

STATUS

approved

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Last modified May 29 01:07 EDT 2017. Contains 287241 sequences.