%I #9 Mar 09 2020 21:18:20
%S 1,14,52,124,254,446,746,1164,1742,2486,3494,4732,6340,8282,10622,
%T 13400,16808,20726,25436,30808,36974,43946,52074,61104,71400,82838,
%U 95652,109752,125694,142978,162370,183544,206720,231854,259322,288788,321248,356162,393866,434144,478108,524726,575408,629352,686846,747914
%N A331776(n)/4.
%K nonn
%O 1,2
%A _Scott R. Shannon_ and _N. J. A. Sloane_, Mar 02 2020
%E More terms from _N. J. A. Sloane_, Mar 09 2020