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A130852 Related to symmetry classification of 3-dimensional integrable scalar discrete equations. +0
1
1, 3, 6, 1, 13, 22, 94, 77, 349, 402 (list; table; graph; listen)
OFFSET

1,2

LINKS

S. P. Tsarev and T. Wolf, Classification of 3-dimensional integrable scalar discrete equations, Table 1, p. 7.

EXAMPLE

S. P. Tsarev and T. Wolf's Table 1, p. 7 (1st colums only, excludes column of SL2-invariant subcases:

n, types of symmetry, number of parameters and terms

-----------------------------

2 1) (+-) 1 param; 4 terms

2 2) (-+) 3 param; 10 terms

2 3) (++) 6 param; 16 terms

-----------------------------

3 1) (---) 1 param; 24 terms

3 2) (-++) 13 param; 186 terms

3 3) (+++) 22 param; 256 terms

-----------------------------

4 1) (----) 94 param; 29208 terms

4 2) (+---) 77 param; 26112 terms

4 3) (-+++) 349 param; 60666 terms

4 4) (++++) 402 param; 2^16 terms

-----------------------------

Symmetry classification of the face formulas w.r.t. the complete symmetry group of the cube.

-----------------------------

CROSSREFS

Sequence in context: A120229 A123534 A100960 this_sequence A138799 A108441 A094445

Adjacent sequences: A130849 A130850 A130851 this_sequence A130853 A130854 A130855

KEYWORD

nonn,tabl

AUTHOR

Jonathan Vos Post (jvospost3(AT)gmail.com), Jul 21 2007

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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