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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A109146 G.f.: square root of theta series of lattice in A004535. 0
1, 0, 126, 1568, 756, -165312, -1227240, 19894464, 414106686, -456317568, -96106099320, -809737207776, 15047550684488, 345938324437440, -318788546956992, -91256560218798912, -842108390970746508, 15331399952805675648, 380895013380314119302, -178390965727200705696 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

LINKS

N. Heninger, E. M. Rains and N. J. A. Sloane, On the Integrality of n-th Roots of Generating Functions, J. Combinatorial Theory, Series A, 113 (2006), 1732-1745.

CROSSREFS

Sequence in context: A002953 A027805 A027814 * A189345 A172140 A196414

Adjacent sequences:  A109143 A109144 A109145 * A109147 A109148 A109149

KEYWORD

sign

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com) and Nadia Heninger (nadiah(AT)cs.princeton.edu), Aug 18 2005

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 14 14:47 EST 2012. Contains 205623 sequences.