A378396 - OEIS

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A378396 as a triangular array

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

A378396 as a square array

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

A378396 as an upper right triangle

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