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A114288 Lexicographically earliest solution of any 9 X 9 sudoku, read by rows. 6
1, 2, 3, 4, 5, 6, 7, 8, 9, 4, 5, 6, 7, 8, 9, 1, 2, 3, 7, 8, 9, 1, 2, 3, 4, 5, 6, 2, 1, 4, 3, 6, 5, 8, 9, 7, 3, 6, 5, 8, 9, 7, 2, 1, 4, 8, 9, 7, 2, 1, 4, 3, 6, 5, 5, 3, 1, 6, 4, 2, 9, 7, 8, 6, 4, 2, 9, 7, 8, 5, 3, 1, 9, 7, 8, 5, 3, 1, 6, 4, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

See A107739 for definition of a sudoku.

LINKS

Table of n, a(n) for n=1..81.

EXAMPLE

1,2,3|4,5,6|7,8,9,

4,5,6|7,8,9|1,2,3,

7,8,9|1,2,3|4,5,6,

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

2,1,4|3,6,5|8,9,7,

3,6,5|8,9,7|2,1,4,

8,9,7|2,1,4|3,6,5,

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

5,3,1|6,4,2|9,7,8,

6,4,2|9,7,8|5,3,1,

9,7,8|5,3,1|6,4,2

PROG

(PARI) A114288(m=3, n=3)={my(A=Mat([1..m*n]), L); for(i=2, m*n, A=matconcat([A; vector(#A, j, if(i%m!=1, A[i-1, (j-1+n)%#A+1], j>1||L=A[1, ]; L=setminus(L, [j=setminus(L, Set(A[, j]))[1+(i==n+1&&j==m*n-1)]]); j))])); A} \\ Also allows to produce minimal sudokus of other sizes, e.g., 2x3 or 3x2. - M. F. Hasler, Nov 09 2021

CROSSREFS

Cf. A107739, A109741.

Sequence in context: A079828 A061229 A122666 * A028899 A081595 A122644

Adjacent sequences:  A114285 A114286 A114287 * A114289 A114290 A114291

KEYWORD

fini,full,nonn,tabf

AUTHOR

Zak Seidov, Nov 21 2005; corrected Nov 23 2005

STATUS

approved

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Last modified October 6 16:34 EDT 2022. Contains 357270 sequences. (Running on oeis4.)