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A055850
a(n)=3a(n-1)-a(n-2); a(0)=1, a(1)=10.
+0
3
1, 10, 29, 77, 202, 529, 1385, 3626, 9493, 24853, 65066, 170345, 445969, 1167562, 3056717, 8002589, 20951050, 54850561, 143600633, 375951338, 984253381, 2576808805, 6746173034, 17661710297, 46238957857, 121055163274
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Maintained by
N. J. A. Sloane
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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.
AT&T Labs Research
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