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A194673
Triangle read by rows: number of genlex Gray cycles on subcubes that use a certain restricted set of transformations.
1
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 3, 46, 4, 1, 1, 1
OFFSET
0,12
COMMENTS
See Knuth Vol. 4A page 737 for precise definition.
REFERENCES
D. E. Knuth, The Art of Computer Programming, vol. 4A, Combinatorial Algorithms, Section 7.2.1.3 (p. 737).
EXAMPLE
Triangle begins: 1
1 1
1 1 1
1 1 1 1
1 2 1 1 1
1 2 3 1 1 1
1 3 46 4 1 1 1
...
CROSSREFS
Cf. A194672.
Sequence in context: A333733 A303929 A303694 * A240595 A083671 A201913
KEYWORD
nonn,tabl,more
AUTHOR
N. J. A. Sloane, Sep 01 2011
STATUS
approved