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Search: id:A049893
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A049893 a(n)=a(1)+a(2)+...+a(n-1)-a(m), where m=2^(p+1)+2-n and 2^p<n-1<=2^(p+1). +0
1
1, 1, 3, 4, 8, 13, 27, 56, 112, 169, 367, 748, 1501, 3006, 6013, 12028, 24056, 36085, 78185, 159377, 320259, 641271, 1282923, 2566044, 5132145, 10264346, 20528721, 41057456, 82114917, 164229838, 328459677, 656919356, 1313838712 (list; graph; listen)
OFFSET

1,3
CROSSREFS

Sequence in context: A022308 A121980 A091231 this_sequence A103002 A004979 A051788

Adjacent sequences: A049890 A049891 A049892 this_sequence A049894 A049895 A049896

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 5 17:24 EST 2009. Contains 170342 sequences.

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