Coordination sequence for C_3 lattice: a(n)=16*n^2+2 (n>0), a(0)=1.
1, 18, 66, 146, 258, 402, 578, 786, 1026, 1298, 1602, 1938, 2306, 2706, 3138, 3602
1 seqfan posts
Thu Feb 4 00:25:19 CET 2010 [seqfan] Number of points with maximum norm n in A2, A3, A4, A5, D5