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A049979
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, 3, 4, 11, 30, 52, 112, 265, 743, 1224, 2456, 4953, 10119, 21197, 46123, 108490, 304273, 500059, 1000126, 2000293, 4000799, 8002557, 16008843, 32033930, 64155153, 128701875, 258903984, 523810232, 1071651837, 2239971619
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
AT&T Labs Research
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