A273138 Row number in which n appears for the first time in the infinite Sudoku-type array A269526.

1, 2, 1, 2, 2, 1, 5, 2, 3, 1, 1, 2, 1, 2, 3, 2, 3, 1, 3, 1, 3, 2, 4, 1, 2, 1, 2, 2, 1, 2, 3, 2, 3, 2, 1, 3, 2, 1, 2, 1, 3, 4, 3, 4, 3, 2, 1, 6, 5, 4, 2, 1, 2, 3, 5, 2, 3, 1, 3, 1, 6, 1, 3, 1, 6, 5, 1, 1, 5, 4, 3, 2, 1, 2, 3, 2, 1, 2, 5, 6, 10, 8, 7, 4, 3, 2, 1, 6, 5, 4, 3, 5, 4, 4, 2, 7, 5, 4, 2, 2, 4, 2, 4, 3

Offset: 1

Author

Omar E. Pol, Jul 02 2016

Keywords

• nonn

Comments

It appears that in the square array A269526 the numbers generally appear for the first time in or near the first few rows.

Examples

			Diagram with the first 18 positive integers located in the position where they appear for first time in the square array A269526:
1, 3, -, 6, -, -, 10, 11, 13, -,  -, 18,
2, 4, 5, -, 8, -,  -, 12, 14, 16, -,
-, -, -, -, 9, -,  -,  -, 15, 17,
-, -, -, -, -, -,  -,  -,  -,
-, 7, -, -, -, -,  -,  -,
-, -, -, -, -, -,  -,
-, -, -, -, -, -,
-, -, -, -, -,
-, -, -, -,
-, -, -,
-, -,
-,
...
a(9) = 3 because in the square array A269526 the number 9 appears for the first time in the third row.
a(n) <= 6, for n = 1..80.
		

Links

• Alois P. Heinz, Table of n, a(n) for n = 1..1000

Crossrefs

First three rows in the square array A269526 are A274315, A274316, A274317.

Cf. A274529, A273139, A274534.