login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A063863 Theta series of A15 packing with respect to origin. 1
1, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 8, 12, 0, 0, 6, 0, 0, 0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 36, 0, 0, 12, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 24, 36, 0, 0, 8, 0, 0, 0, 0, 36, 0, 0, 0, 0, 0, 0, 0, 36, 0, 0, 6, 0, 0, 0, 0, 48, 0, 0, 0, 0, 0, 0, 24, 48, 0, 0, 24, 0, 0, 0, 0, 24, 0 (list; graph; refs; listen; history; internal format)
OFFSET

0,6

COMMENTS

The A15 packing is the union of 8 translates of the lattice 4Z^3 by the vectors (0,0,0), (2,2,2) and all cyclic shifts of (0, +-1, 2).

LINKS

Center for Computational Materials Science, Naval Research Laboratory (mehl(AT)dave.nrl.navy.mil), The A15 Structure

EXAMPLE

1 + 12*q^5 + 8*q^12 + 12*q^13 + 6*q^16 + 24*q^21 + 36*q^29 + 12*q^32 + ...

CROSSREFS

Cf. A063864.

Sequence in context: A066953 A004022 A083344 * A101364 A204274 A200512

Adjacent sequences:  A063860 A063861 A063862 * A063864 A063865 A063866

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Aug 27 2001

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 06:22 EST 2012. Contains 205860 sequences.