%I #11 Jan 16 2022 12:48:14
%S 0,0,32,0,328,2976,25512,124352,758752,4852448,26735408,145945312,
%T 805129880,4334341216,22824469832,119276925152,617722010896,
%U 3163151197504,16059782780784,80965219241952,405344545960912
%N a(n) = 4 * A079137(n).
%C See A079137, which is the main entry for this problem.
%Y Equals 4*A079137(n). Cf. A070030.
%K nonn
%O 1,3
%A _Alexander D. Healy_, Feb 11 2003
%E Incorrect description removed by _Andrew Howroyd_, Oct 12 2019