%I #4 Mar 31 2012 13:48:30
%S 4,22,66,137,238,370,533,727,953,1211,1500,1821,2174,2559,2976,3424,
%T 3905,4418,4962,5538,6147,6787,7460,8164,8900,9668,10469,11301,12165,
%U 13061,13989,14950,15942,16966,18022,19110,20230,21383,22567,23783
%N a(n)=floor{square((1*n^0+1*n^1+2*n^2+4*n^3)/(1*n^0+2*n^1+1*n^2))}
%e a(2)=floor{square((1*2^0+1*2^1+2*2^2+4*2^3)/(1*2^0+2*2^1+1*2^2))}=floor{square(4.77778)}=floor(22.8272)=22
%Y Cf. A086790, A085899.
%K easy,nonn
%O 1,1
%A Wang Dan (wangdan01(AT)lycos.com), Aug 20 2003
%E Definition corrected by _M. F. Hasler_, Jul 23 2007