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A049955
a(n)=a(1)+a(2)+...+a(n-1)+a(m), where m=2n-2-2^(p+1) and 2^p<n-1<=2^(p+1).
+0
1
1, 2, 2, 7, 19, 33, 71, 168, 471, 776, 1557, 3140, 6415, 13438, 29240, 68778, 192896, 317016, 634037, 1268100, 2536335, 5073278, 10148920, 20308138, 40671616, 81591470, 164134024, 332073226, 679381312, 1420045956, 3090573668
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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 11 12:57 EST 2009. Contains 170656 sequences.
AT&T Labs Research
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