|
| |
|
|
A005309
|
|
Fermionic string states.
(Formerly M1125)
|
|
0
| | |
|
|
|
OFFSET
| 0,3
|
|
|
COMMENTS
| See the reference for precise definition.
The g.f. -(1-2*z+2*z**2)/(-1+2*z) conjectured by S. Plouffe in his 1992 dissertation is unlikely to be correct.
|
|
|
REFERENCES
| T. Curtright, ``Counting symmetry patterns in the spectra of strings,'' in H. J. de Vega and N. S\'{a}nchez, editors, String Theory, Quantum Cosmology and Quantum Gravity. Integrable and Conformal Invariant Theories. World Scientific, Singapore, 1987, pp. 304-333.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
|
|
|
LINKS
| S. Plouffe, Approximations de S\'{e}ries G\'{e}n\'{e}ratrices et Quelques Conjectures, Dissertation, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 1992.
S. Plouffe, 1031 Generating Functions and Conjectures, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 1992.
|
|
|
CROSSREFS
| Sequence in context: A196724 A056644 A007813 * A078389 A059173 A027560
Adjacent sequences: A005306 A005307 A005308 * A005310 A005311 A005312
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
|
| |
|
|
