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Search: id:A057056
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A057056 Let R(i,j) be the rectangle with antidiagonals 1; 2,3; 4,5,6; ...; each k is an R(i(k),j(k)) and A057056(n)=j(C(n,3)). +0
1
1, 3, 1, 2, 2, 11, 8, 1, 7, 12, 15, 15, 11, 2, 24, 5, 22, 37, 49, 1, 60, 57, 47, 29, 2, 46, 2, 36, 66, 91, 5, 12, 11, 1, 106, 80, 42, 132, 72, 149, 63, 123, 7, 46, 76, 96, 105, 102, 86, 56, 11, 173, 101, 11, 144, 21, 132, 234, 57, 131 (list; graph; listen)
OFFSET

3,2

CROSSREFS

Sequence in context: A125266 A002016 A117494 this_sequence A016469 A125061 A138745

Adjacent sequences: A057053 A057054 A057055 this_sequence A057057 A057058 A057059

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu), Jul 30 2000

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.


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