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A006888
a(n) = a(n-1) + a(n-2) a(n-3).
(Formerly M0733)
+0
3
1, 1, 1, 2, 3, 5, 11, 26, 81, 367, 2473, 32200, 939791, 80570391, 30341840591, 75749670168872, 2444729709746709953, 2298386861814452020993305, 185187471463742319884263934176321
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.
AT&T Labs Research
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