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A123752
a(n)=7a(n-2), a(0)=1, a(1)=2.
+0
1
1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 16807, 33614, 117649, 235298, 823543, 1647086, 5764801, 11529602, 40353607, 80707214, 282475249, 564950498, 1977326743, 3954653486, 13841287201, 27682574402, 96889010407, 193778020814
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Maintained by
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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.
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