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A027174 a(n) = A027170(2n, n-2). 0

%I

%S 9,58,264,1106,4495,18014,71652,283760,1120806,4419928,17413572,

%T 68569666,269941451,1062631046,4183370636,16471711736,64870158866,

%U 255541666976,1006930883396,3968854010936,15648092510618,61714841143568

%N a(n) = A027170(2n, n-2).

%K nonn

%O 2,1

%A _Clark Kimberling_

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Last modified August 17 10:16 EDT 2022. Contains 356187 sequences. (Running on oeis4.)