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Search: id:A027061
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A027061 T(n,2n-5), T given by A027052. +0
1
0, 2, 6, 20, 66, 210, 652, 1988, 5982, 17830, 52782, 155480, 456364, 1336066, 3904280, 11394244, 33222902, 96812174, 282009512, 821327088, 2391918708, 6966267782, 20291422370, 59116724728, 172271893036, 502157965938 (list; graph; listen)
OFFSET

3,2
CROSSREFS

Sequence in context: A000718 A148474 A156831 this_sequence A083323 A111285 A052991

Adjacent sequences: A027058 A027059 A027060 this_sequence A027062 A027063 A027064

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

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