The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A008446 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A008446

Theta series of A_6 lattice.
(history; published version)

#14 by Charles R Greathouse IV at Thu Sep 08 08:44:35 EDT 2022

PROG

(MAGMAMagma) L:=Lattice("A", 6); T1<q> := ThetaSeries(L, 120);

Discussion

Thu Sep 08

08:44

OEIS Server: https://oeis.org/edit/global/2944

#13 by Jon E. Schoenfield at Thu Dec 16 22:31:23 EST 2021

STATUS

editing

approved

#12 by Jon E. Schoenfield at Thu Dec 16 22:31:22 EST 2021

AUTHOR

N. J. A. Sloane.

STATUS

approved

editing

#11 by Bruno Berselli at Tue Jul 04 03:34:20 EDT 2017

STATUS

proposed

approved

#10 by Jean-François Alcover at Tue Jul 04 03:09:57 EDT 2017

STATUS

editing

proposed

#9 by Jean-François Alcover at Tue Jul 04 03:09:52 EDT 2017

MATHEMATICA

terms = 40; f[q_] = LatticeData["A6", "ThetaSeriesFunction"][-I Log[q]/Pi]; s = Series[f[q], {q, 0, 2 terms}]; DeleteCases[CoefficientList[s, q^(1/2) ] // Round, 0][[1 ;; terms]] (* Jean-François Alcover, Jul 04 2017 *)

STATUS

approved

editing

#8 by Russ Cox at Fri Mar 30 16:45:20 EDT 2012

AUTHOR

_N. J. A. Sloane (njas(AT)research.att.com)_.

Discussion

Fri Mar 30

16:45

OEIS Server: https://oeis.org/edit/global/110

#7 by N. J. A. Sloane at Wed Oct 20 03:00:00 EDT 2010

LINKS

G. Nebe and N. J. A. Sloane, <a href="http://www.math.rwth-aachen.de/~Gabriele.Nebe/LATTICES/A6.html">Home page for this lattice</a>

KEYWORD

nonn,easy,nice,new

#6 by N. J. A. Sloane at Sun Sep 12 03:00:00 EDT 2010

LINKS

G. Nebe and N. J. A. Sloane, <a href="http://www.researchmath.attrwth-aachen.comde/~njasGabriele.Nebe/latticesLATTICES/A6.html">Home page for this lattice</a>

KEYWORD

nonn,easy,nice,new

#5 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

KEYWORD

nonn,easy,nice,new

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).