A140685 - OEIS

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A140685 as a triangular array

															1
														2		2
													2		1		2
												2		2		2		2
											2		2		1		2		2
										2		2		2		2		2		2
									2		2		2		1		2		2		2
								2		2		2		2		2		2		2		2
							2		2		2		2		1		2		2		2		2
						2		2		2		2		2		2		2		2		2		2
					2		2		2		2		2		1		2		2		2		2		2
				2		2		2		2		2		2		2		2		2		2		2		2
			2		2		2		2		2		2		1		2		2		2		2		2		2
		2		2		2		2		2		2		2		2		2		2		2		2		2		2
	2		2		2		2		2		2		2		1		2		2		2		2		2		2		2

A140685 as a square array

1	2	2	2	2	2	2	2	2	2	2	2	2	2	2
2	1	2	2	2	2	2	2	2	2	2	2	2	2
2	2	1	2	2	2	2	2	2	2	2	2	2
2	2	2	1	2	2	2	2	2	2	2	2
2	2	2	2	1	2	2	2	2	2	2
2	2	2	2	2	1	2	2	2	2
2	2	2	2	2	2	1	2	2
2	2	2	2	2	2	2	1
2	2	2	2	2	2	2
2	2	2	2	2	2
2	2	2	2	2
2	2	2	2
2	2	2
2	2
2

A140685 as an upper right triangle

1	2	2	2	2	2	2	2	2	2	2	2	2	2	2
	2	1	2	2	2	2	2	2	2	2	2	2	2	2
		2	2	1	2	2	2	2	2	2	2	2	2	2
			2	2	2	1	2	2	2	2	2	2	2	2
				2	2	2	2	1	2	2	2	2	2	2
					2	2	2	2	2	1	2	2	2	2
						2	2	2	2	2	2	1	2	2
							2	2	2	2	2	2	2	1
								2	2	2	2	2	2	2
									2	2	2	2	2	2
										2	2	2	2	2
											2	2	2	2
												2	2	2
													2	2
														2