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%I #5 Jan 11 2018 00:16:15
%S 0,1,8,91,1334,23413,506652,12386183
%N Differentiate the g.f. underlying A032188 and evaluate it at x=1.
%C See Riordan [1980] for details.
%H John Riordan, <a href="/A002720/a002720_3.pdf">Letter to N. J. A. Sloane, Sep 26 1980 with notes on the 1973 Handbook of Integer Sequences</a>. Note that the sequences are identified by their N-numbers, not their A-numbers.
%Y Cf. A032188.
%K nonn,more
%O 0,3
%A _N. J. A. Sloane_, Jan 11 2018