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Revision History for A279969 (Underlined text is an addition; strikethrough text is a deletion.)

Showing all changes.
A279969 a(1)=1, a(n+1)=2^(prime(a(n))-1).
(history; published version)
#4 by N. J. A. Sloane at Sat Dec 24 14:25:50 EST 2016
STATUS

proposed

approved

#3 by Gus Wiseman at Sat Dec 24 13:27:40 EST 2016
STATUS

editing

proposed

#2 by Gus Wiseman at Sat Dec 24 08:24:19 EST 2016
NAME

allocated for Gus Wiseman

a(1)=1, a(n+1)=2^(prime(a(n))-1).

DATA

1, 2, 4, 64, 2085924839766513752338888384931203236916703635113918720651407820138886450957656787131798913024

OFFSET

1,2

MATHEMATICA

NestList[Power[2, Prime[#]-1]&, 1, 4]

CROSSREFS

Cf. A058891, A279944.

KEYWORD

allocated

nonn

AUTHOR

Gus Wiseman, Dec 24 2016

STATUS

approved

editing

#1 by Gus Wiseman at Sat Dec 24 08:24:19 EST 2016
NAME

allocated for Gus Wiseman

KEYWORD

allocated

STATUS

approved

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Last modified August 30 02:56 EDT 2024. Contains 375521 sequences. (Running on oeis4.)