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, 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).

Links

Table of n, a(n) for n=0..27.

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

Adjacent sequences: A194670 A194671 A194672 * A194674 A194675 A194676

Keyword

nonn,tabl,more

Author

N. J. A. Sloane, Sep 01 2011

Status

approved