A143902 - OEIS

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A143902 as a triangular array

												0
											1		1
										1		2		1
									2		3		3		2
								2		4		4		4		2
							3		5		6		6		5		3
						3		6		7		8		7		6		3
					4		7		9		10		10		9		7		4
				4		8		10		12		12		12		10		8		4
			5		9		12		14		15		15		14		12		9		5
		5		10		13		16		17		18		17		16		13		10		5
	6		11		15		18		20		21		21		20		18		15		11		6
6		12		16		20		22

A143902 as a square array

0	1	1	2	2	3	3	4	4	5	5	6	6
1	2	3	4	5	6	7	8	9	10	11	12
1	3	4	6	7	9	10	12	13	15	16
2	4	6	8	10	12	14	16	18	20
2	5	7	10	12	15	17	20	22
3	6	9	12	15	18	21
3	7	10	14	17	21
4	8	12	16	20
4	9	13	18
5	10	15
5	11
6

A143902 as an upper right triangle

0	1	1	2	2	3	3	4	4	5	5	6	6
	1	2	3	4	5	6	7	8	9	10	11	12
		1	3	4	6	7	9	10	12	13	15	16
			2	4	6	8	10	12	14	16	18	20
				2	5	7	10	12	15	17	20	22
					3	6	9	12	15	18	21
						3	7	10	14	17	21
							4	8	12	16	20
								4	9	13	18
									5	10	15
										5	11
											6

												0
											1		1
										1		2		1
									2		3		3		2
								2		4		4		4		2
							3		5		6		6		5		3
						3		6		7		8		7		6		3
					4		7		9		10		10		9		7		4
				4		8		10		12		12		12		10		8		4
			5		9		12		14		15		15		14		12		9		5
		5		10		13		16		17		18		17		16		13		10		5
	6		11		15		18		20		21		21		20		18		15		11		6
6		12		16		20		22

0	1	1	2	2	3	3	4	4	5	5	6	6
1	2	3	4	5	6	7	8	9	10	11	12
1	3	4	6	7	9	10	12	13	15	16
2	4	6	8	10	12	14	16	18	20
2	5	7	10	12	15	17	20	22
3	6	9	12	15	18	21
3	7	10	14	17	21
4	8	12	16	20
4	9	13	18
5	10	15
5	11
6

0	1	1	2	2	3	3	4	4	5	5	6	6
	1	2	3	4	5	6	7	8	9	10	11	12
		1	3	4	6	7	9	10	12	13	15	16
			2	4	6	8	10	12	14	16	18	20
				2	5	7	10	12	15	17	20	22
					3	6	9	12	15	18	21
						3	7	10	14	17	21
							4	8	12	16	20
								4	9	13	18
									5	10	15
										5	11
											6

												0
											1		1
										1		2		1
									2		3		3		2
								2		4		4		4		2
							3		5		6		6		5		3
						3		6		7		8		7		6		3
					4		7		9		10		10		9		7		4
				4		8		10		12		12		12		10		8		4
			5		9		12		14		15		15		14		12		9		5
		5		10		13		16		17		18		17		16		13		10		5
	6		11		15		18		20		21		21		20		18		15		11		6
6		12		16		20		22

0	1	1	2	2	3	3	4	4	5	5	6	6
1	2	3	4	5	6	7	8	9	10	11	12
1	3	4	6	7	9	10	12	13	15	16
2	4	6	8	10	12	14	16	18	20
2	5	7	10	12	15	17	20	22
3	6	9	12	15	18	21
3	7	10	14	17	21
4	8	12	16	20
4	9	13	18
5	10	15
5	11
6

0	1	1	2	2	3	3	4	4	5	5	6	6
	1	2	3	4	5	6	7	8	9	10	11	12
		1	3	4	6	7	9	10	12	13	15	16
			2	4	6	8	10	12	14	16	18	20
				2	5	7	10	12	15	17	20	22
					3	6	9	12	15	18	21
						3	7	10	14	17	21
							4	8	12	16	20
								4	9	13	18
									5	10	15
										5	11
											6

												0
											1		1
										1		2		1
									2		3		3		2
								2		4		4		4		2
							3		5		6		6		5		3
						3		6		7		8		7		6		3
					4		7		9		10		10		9		7		4
				4		8		10		12		12		12		10		8		4
			5		9		12		14		15		15		14		12		9		5
		5		10		13		16		17		18		17		16		13		10		5
	6		11		15		18		20		21		21		20		18		15		11		6
6		12		16		20		22

0	1	1	2	2	3	3	4	4	5	5	6	6
1	2	3	4	5	6	7	8	9	10	11	12
1	3	4	6	7	9	10	12	13	15	16
2	4	6	8	10	12	14	16	18	20
2	5	7	10	12	15	17	20	22
3	6	9	12	15	18	21
3	7	10	14	17	21
4	8	12	16	20
4	9	13	18
5	10	15
5	11
6

0	1	1	2	2	3	3	4	4	5	5	6	6
	1	2	3	4	5	6	7	8	9	10	11	12
		1	3	4	6	7	9	10	12	13	15	16
			2	4	6	8	10	12	14	16	18	20
				2	5	7	10	12	15	17	20	22
					3	6	9	12	15	18	21
						3	7	10	14	17	21
							4	8	12	16	20
								4	9	13	18
									5	10	15
										5	11
											6