A194673 - OEIS

%I #6 Mar 30 2012 16:52:03

%S 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

%N Triangle read by rows: number of genlex Gray cycles on subcubes that use a certain restricted set of transformations.

%C See Knuth Vol. 4A page 737 for precise definition.

%D D. E. Knuth, The Art of Computer Programming, vol. 4A, Combinatorial Algorithms, Section 7.2.1.3 (p. 737).

%e Triangle begins: 1

%e 1 1

%e 1 1 1

%e 1 1 1 1

%e 1 2 1 1 1

%e 1 2 3 1 1 1

%e 1 3 46 4 1 1 1

%e ...

%Y Cf. A194672.

%K nonn,tabl,more

%O 0,12

%A _N. J. A. Sloane_, Sep 01 2011