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Search: id:A027056
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A027056 T(n,2n-1), T given by A027052. +0
1
0, 2, 4, 8, 18, 42, 102, 256, 658, 1722, 4570, 12264, 33212, 90626, 248892, 687360, 1907506, 5316266, 14873082, 41751944, 117567784, 331979650, 939807344, 2666718976, 7583071868, 21605822594, 61672362872, 176338826728 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A057151 A026699 A078678 this_sequence A024428 A049075 A052327

Adjacent sequences: A027053 A027054 A027055 this_sequence A027057 A027058 A027059

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

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