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A050080 a(n)=[ a(n-1)/3 ] if this is not among 0,a(1),...,a(n-2), else a(n)=4*a(n-1). 3
1, 4, 16, 5, 20, 6, 2, 8, 32, 10, 3, 12, 48, 192, 64, 21, 7, 28, 9, 36, 144, 576, 2304, 768, 256, 85, 340, 113, 37, 148, 49, 196, 65, 260, 86, 344, 114, 38, 152, 50, 200, 66, 22, 88, 29, 116, 464, 154, 51, 17, 68, 272, 90, 30, 120, 40, 13 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..57.

CROSSREFS

Sequence in context: A059152 A059156 A040004 * A187532 A110651 A115054

Adjacent sequences:  A050077 A050078 A050079 * A050081 A050082 A050083

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 25 11:29 EDT 2014. Contains 248527 sequences.