A027345 - OEIS

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A027345 as a triangular array

													1
												0		0
											0		0		1
										1		0		0		0
									0		0		0		0		1
								1		0		0		0		0		0
							0		0		0		0		0		0		1
						1		0		1		0		0		0		0		0
					1		0		0		0		0		0		0		0		1
				1		0		1		0		0		0		0		0		0		0
			1		0		0		0		0		0		0		0		0		0		1
		1		0		1		0		1		0		0		0		0		0		0		0
	2		0		0		0		0		0		0		0		0		0		0		0		1

A027345 as a square array

1	0	0	1	0	1	0	1	1	1	1	1	2
0	0	0	0	0	0	0	0	0	0	0	0
1	0	0	0	0	1	0	1	0	1	0
0	0	0	0	0	0	0	0	0	0
1	0	0	0	0	0	0	1	0
0	0	0	0	0	0	0	0
1	0	0	0	0	0	0
0	0	0	0	0	0
1	0	0	0	0
0	0	0	0
1	0	0
0	0
1

A027345 as an upper right triangle

1	0	0	1	0	1	0	1	1	1	1	1	2
	0	0	0	0	0	0	0	0	0	0	0	0
		1	0	0	0	0	1	0	1	0	1	0
			0	0	0	0	0	0	0	0	0	0
				1	0	0	0	0	0	0	1	0
					0	0	0	0	0	0	0	0
						1	0	0	0	0	0	0
							0	0	0	0	0	0
								1	0	0	0	0
									0	0	0	0
										1	0	0
											0	0
												1