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Search: id:A047131
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A047131 Sum{T(i,n-i): i=0,1,...,n}, array T as in A047131. +0
8
1, 2, 3, 6, 10, 20, 35, 70, 140, 252, 504, 932, 1864, 3493, 6986, 13972, 26265, 52530, 100168, 200336, 384573, 769146, 1538292, 2950530, 5901060, 11422700, 22845400, 44403564, 88807128, 177614256, 344644881, 689289762, 1346117062 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Adjacent sequences: A047128 A047129 A047130 this_sequence A047132 A047133 A047134

Sequence in context: A001405 A126930 A036557 this_sequence A008927 A052525 A006606

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified October 6 16:13 EDT 2008. Contains 144667 sequences.


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