1,1

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Table of n, a(n) for n=1..66.

N. J. A. Sloane and B. K. Teo, Theta series and magic numbers for close-packed spherical clusters, J. Chem. Phys. 83 (1985) 6520-6534.

Sequence in context: A005928 A113062 A259659 * A095712 A085753 A120008

Adjacent sequences: A005886 A005887 A005888 * A005890 A005891 A005892

nonn

N. J. A. Sloane.

approved