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A000129
Pell numbers: a(0) = 0, a(1) = 1; for n > 1, a(n) = 2*a(n-1) + a(n-2).
(Formerly M1413 N0552)
+0
338
0, 1, 2, 5, 12, 29, 70, 169, 408, 985, 2378, 5741, 13860, 33461, 80782, 195025, 470832, 1136689, 2744210, 6625109, 15994428, 38613965, 93222358, 225058681, 543339720, 1311738121, 3166815962, 7645370045, 18457556052, 44560482149
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 6 19:58 EST 2009. Contains 170429 sequences.
AT&T Labs Research
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