A133121 - OEIS

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A133121 as a triangular array

														1
													1		1
												2		0		1
											2		2		0		1
										3		2		1		0		1
									4		2		3		1		0		1
								5		4		2		2		1		0		1
							6		6		3		3		2		1		0		1
						8		7		5		4		2		2		1		0		1
					10		8		10		3		5		2		2		1		0		1
				12		13		8		9		4		4		2		2		1		0		1
			15		15		14		10		8		5		4		2		2		1		0		1
		18		21		15		16		8		9		4		4		2		2		1		0		1
	22		25		23		17		17		7		10		4		4		2		2		1		0		1

A133121 as a square array

1	1	2	2	3	4	5	6	8	10	12	15	18	22
1	0	2	2	2	4	6	7	8	13	15	21	25
1	0	1	3	2	3	5	10	8	14	15	23
1	0	1	2	3	4	3	9	10	16	17
1	0	1	2	2	5	4	8	8	17
1	0	1	2	2	4	5	9	7
1	0	1	2	2	4	4	10
1	0	1	2	2	4	4
1	0	1	2	2	4
1	0	1	2	2
1	0	1	2
1	0	1
1	0
1

A133121 as an upper right triangle

1	1	2	2	3	4	5	6	8	10	12	15	18	22
	1	0	2	2	2	4	6	7	8	13	15	21	25
		1	0	1	3	2	3	5	10	8	14	15	23
			1	0	1	2	3	4	3	9	10	16	17
				1	0	1	2	2	5	4	8	8	17
					1	0	1	2	2	4	5	9	7
						1	0	1	2	2	4	4	10
							1	0	1	2	2	4	4
								1	0	1	2	2	4
									1	0	1	2	2
										1	0	1	2
											1	0	1
												1	0
													1