login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A224978 The number of completed primitive graphs up to 10 loops, in enumerating Feynman graphs in quantum field theory. 0
1, 1, 2, 5, 14, 49, 227, 1354 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,3

COMMENTS

Table 2, page 10 of Brown and Schnetz.

LINKS

Table of n, a(n) for n=3..10.

Francis Brown and Oliver Schnetz, Modular forms in quantum field theory, arXiv:1304.5342 [math.AG], Apr 19, 2013.

F. Brown, On the periods of some Feynman integrals, arXiv:0910.0114v2 [math.AG], July 20, 2009.

F. Brown, D. Doryn, Framings for graph hypersurfaces, arXiv:1301.3056v1 [math.AG], Jan 14, 2013.

CROSSREFS

Cf. A005411, A115974, A214298.

Sequence in context: A119499 A079452 A081920 * A006390 A100597 A022562

Adjacent sequences:  A224975 A224976 A224977 * A224979 A224980 A224981

KEYWORD

nonn

AUTHOR

Jonathan Vos Post, Apr 21 2013

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 16 16:00 EST 2020. Contains 331961 sequences. (Running on oeis4.)