0,2

T. D. Noe, Table of n, a(n) for n=0..1000

Index entries for crystal ball sequences

J. H. Conway and N. J. A. Sloane, Low-Dimensional Lattices VII: Coordination Sequences, Proc. Royal Soc. London, A453 (1997), 2369-2389 (Abstract, pdf, ps).

116/45*n^6+116/15*n^5+136/9*n^4+52/3*n^3+554/45*n^2+74/15*n+1;

Adjacent sequences: A008355 A008356 A008357 this_sequence A008359 A008360 A008361

Sequence in context: A142365 A093473 A000506 this_sequence A138790 A057534 A060061

nonn

njas and J. H. Conway (conway(AT)math.princeton.edu)