A186733 - OEIS

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A186733 as a triangular array

													0
												0		0
											0		0		1
										0		0		0		1
									0		0		0		0		1
								0		0		0		1		1		1
							0		0		0		0		2		0		1
						0		0		0		3		5		3		1		1
					0		0		0		0		16		0		4		0		1
				0		0		0		13		57		59		21		5		1		1
			0		0		0		0		263		0		266		0		6		0		1
		0		0		0		63		1532		7847		7848		1547		94		9		1		1
	0		0		0		0		10747		0		367860		0		10786

A186733 as a square array

0	0	0	0	0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0	0	0	0	0
1	0	0	0	0	0	0	0	0	0	0
1	0	1	0	3	0	13	0	63	0
1	1	2	5	16	57	263	1532	10747
1	0	3	0	59	0	7847	0
1	1	4	21	266	7848	367860
1	0	5	0	1547	0
1	1	6	94	10786
1	0	9
1	1
1

A186733 as an upper right triangle

0	0	0	0	0	0	0	0	0	0	0	0	0
	0	0	0	0	0	0	0	0	0	0	0	0
		1	0	0	0	0	0	0	0	0	0	0
			1	0	1	0	3	0	13	0	63	0
				1	1	2	5	16	57	263	1532	10747
					1	0	3	0	59	0	7847	0
						1	1	4	21	266	7848	367860
							1	0	5	0	1547	0
								1	1	6	94	10786
									1	0	9
										1	1
											1