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A179512 a(1) = 12, a(n) = prime(a(n-1)) - 2a(n-1). 7
12, 13, 15, 17, 25, 47, 117, 409, 1985, 13269, 116555, 1301043, 17911307, 296651169, 5792367991, 131137897895, 3395020992813, 99343099511585 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
NestList[ Prime@# - 2# &, 12, 17]
CROSSREFS
Sequence in context: A187234 A127354 A226099 * A125664 A262210 A074164
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Jul 17 2010
STATUS
approved

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Last modified July 16 08:10 EDT 2024. Contains 374345 sequences. (Running on oeis4.)