A005885 Theta series of f.c.c. lattice with respect to triangle.

3, 1, 3, 3, 6, 3, 6, 1, 9, 0, 12, 3, 6, 6, 12, 3, 6, 3, 12, 6, 12, 6, 12, 3, 15, 0, 9, 6, 18, 6, 18, 1, 12, 6, 12, 9, 18, 6, 18, 0, 18, 0, 12, 12, 18, 12, 12, 3, 21, 7, 24, 6, 18, 9, 12, 6, 18, 0, 24, 12, 18, 6

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• easy

References

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

Links

• Index entries for sequences related to f.c.c. lattice