A183953 - OEIS

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A183953 as a triangular array

													1
												1		1
											1		1		1
										1		1		2		1
									1		2		2		1		2
								1		2		3		4		5		1
							1		2		4		8		10		7		2
						1		2		6		14		27		26		10		1
					1		3		7		21		53		78		61		20		3
				1		3		9		32		94		180		219		147		37		3
			1		3		12		48		161		398		656		649		339		77		4
		1		3		14		61		259		770		1613		2195		1805		771		118		2
	1		4		17

A183953 as a square array

1	1	1	1	1	1	1	1	1	1	1	1	1
1	1	1	2	2	2	2	3	3	3	3	4
1	2	2	3	4	6	7	9	12	14	17
1	1	4	8	14	21	32	48	61
2	5	10	27	53	94	161	259
1	7	26	78	180	398	770
2	10	61	219	656	1613
1	20	147	649	2195
3	37	339	1805
3	77	771
4	118
2

A183953 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1	1
	1	1	1	2	2	2	2	3	3	3	3	4
		1	2	2	3	4	6	7	9	12	14	17
			1	1	4	8	14	21	32	48	61
				2	5	10	27	53	94	161	259
					1	7	26	78	180	398	770
						2	10	61	219	656	1613
							1	20	147	649	2195
								3	37	339	1805
									3	77	771
										4	118
											2