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A147672
a(n)=a(n-2)+2^(n-1)+5 for n>3, a(0..3)=(0,1,2,7).
+0
2
0, 1, 2, 7, 15, 28, 52, 97, 185, 358, 702, 1387, 2755, 5488, 10952, 21877, 43725, 87418, 174802, 349567, 699095, 1398148, 2796252, 5592457, 11184865, 22369678, 44739302, 89478547, 178957035, 357914008, 715827952
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Maintained by
N. J. A. Sloane
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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
AT&T Labs Research
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