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A026292 a(n) = T(2n,n), where T is the array in A026268. 0


%S 1,1,5,27,145,796,4438,25034,142479,816620,4706977,27256963,158450461,

%T 924129535,5404960900,31689099660,18618338689,1096001511849,

%U 6462416487070,38161656273410,222225653893420214

%N a(n) = T(2n,n), where T is the array in A026268.

%K nonn

%O 0,3

%A _Clark Kimberling_

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Last modified January 19 19:49 EST 2019. Contains 319309 sequences. (Running on oeis4.)