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Search: id:A049950
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A049950 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, 2, 1, 5, 11, 21, 43, 85, 174, 344, 689, 1377, 2758, 5522, 11054, 22130, 44302, 88520, 177041, 354081, 708166, 1416338, 2832686, 5665394, 11330830, 22661749, 45323668, 90647681, 181296050, 362593481, 725189726, 1450384984 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A049948 A110352 A107310 this_sequence A095216 A144237 A063635

Adjacent sequences: A049947 A049948 A049949 this_sequence A049951 A049952 A049953

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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