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A027166 a(n) = Sum{T(i,j)}, 0<=j<=i, 0<=i<=n, T given by A027157. 0
1, 4, 14, 36, 103, 248, 684, 1624, 4445, 10524, 28762, 68060, 185955, 439984, 1202072, 2844144, 7770361, 18384884, 50228454, 118841812, 324681887, 768205608, 2098776772, 4965759176, 13566706389, 32099171980, 87696568754 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A187091 A034528 A128758 * A126943 A192974 A187428

Adjacent sequences:  A027163 A027164 A027165 * A027167 A027168 A027169

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 13 18:09 EST 2012. Contains 205534 sequences.