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Search: id:A049926
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A049926 a(n)=a(1)+a(2)+...+a(n-1)-a(m), where m=n-1-2^p and 2^p<n-1<=2^(p+1). +0
1
1, 3, 3, 6, 10, 22, 42, 84, 165, 335, 668, 1336, 2669, 5334, 10656, 21292, 42542, 85167, 170332, 340664, 681325, 1362646, 2725280, 5450540, 10901038, 21801995, 43603820, 87207307, 174413946, 348826559, 697650453, 1395295584 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A031504 A049871 A049924 this_sequence A110952 A025250 A094305

Adjacent sequences: A049923 A049924 A049925 this_sequence A049927 A049928 A049929

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.

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