A279415 - OEIS

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A279415 as a triangular array

													0
												0		4
											0		2		4
										0		0		4		4
									0		0		2		4		4
								0		0		0		4		4		4
							0		0		0		2		4		4		4
						0		0		0		0		4		4		4		4
					0		0		0		0		2		4		4		4		4
				0		0		0		0		0		4		4		4		4		4
			0		0		0		0		0		2		4		4		4		4		4
		0		0		0		0		0		0		4		4		4		4		4		4
	0		0		0		0		0		0		2		4		4

A279415 as a square array

0	0	0	0	0	0	0	0	0	0	0	0	0
4	2	0	0	0	0	0	0	0	0	0	0
4	4	2	0	0	0	0	0	0	0	0
4	4	4	2	0	0	0	0	0	0
4	4	4	4	2	0	0	0	0
4	4	4	4	4	2	0	0
4	4	4	4	4	4	2
4	4	4	4	4	4
4	4	4	4	4
4	4	4
4	4
4

A279415 as an upper right triangle

0	0	0	0	0	0	0	0	0	0	0	0	0
	4	2	0	0	0	0	0	0	0	0	0	0
		4	4	2	0	0	0	0	0	0	0	0
			4	4	4	2	0	0	0	0	0	0
				4	4	4	4	2	0	0	0	0
					4	4	4	4	4	2	0	0
						4	4	4	4	4	4	2
							4	4	4	4	4	4
								4	4	4	4	4
									4	4	4
										4	4
											4