A178474 - OEIS

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A178474 as a triangular array

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

A178474 as a square array

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

A178474 as an upper right triangle

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