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Search: id:A026331
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A026331 a(n) = T(2n-1,n), where T is the array in A026323. +0
1
1, 6, 30, 161, 882, 4916, 27729, 157830, 904706, 5215310, 30203901, 175598997, 1024234850, 5990912280, 35126915550, 206399581434, 1215040298106, 7164651246340, 42310256416456, 250194442456101, 1481274328929984, 8779528511274564 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A152224 A026112 A038155 this_sequence A135490 A110706 A001341

Adjacent sequences: A026328 A026329 A026330 this_sequence A026332 A026333 A026334

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.

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