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A120763
a(1) = 2. a(n) = a(n-1)*(largest prime occurring earlier in the sequence) - 1.
+0
2
2, 3, 8, 23, 528, 12143, 147452448, 1790515076063, 21742224568633008, 264015832936910616143, 3205944259352905611824448, 38929781141322332844384272063, 472724332399077087729358215661008
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.
AT&T Labs Research
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