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A027176
a(n) = A027170(2n-1, n-2).
0
7, 43, 185, 740, 2900, 11293, 43897, 170608, 663438, 2582058, 10058862, 39225116, 153111686, 598228961, 2339499161, 9157016216, 35870666366, 140623656686, 551684484386, 2165796506636, 8507878418516, 33441451138598
OFFSET
2,1
CROSSREFS
Sequence in context: A143569 A351936 A193697 * A244200 A334241 A079925
KEYWORD
nonn
STATUS
approved