A119789 - OEIS

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A119789 as a triangular array

											0
										0		0
									0		0		0
								1		1		1		2
							2		2		2		3		4
						3		3		3		4		5		6
					4		4		4		5		6		7		8
				5		5		5		6		7		8		9		10
			6		6		6		7		8		9		10		11		12
		7		7		7		8		9		10		11		12		13		14
	8		8		8		9		10		11		12		13		14		15		16

A119789 as a square array

0	0	0	1	2	3	4	5	6	7	8
0	0	1	2	3	4	5	6	7	8
0	1	2	3	4	5	6	7	8
2	3	4	5	6	7	8	9
4	5	6	7	8	9	10
6	7	8	9	10	11
8	9	10	11	12
10	11	12	13
12	13	14
14	15
16

A119789 as an upper right triangle

0	0	0	1	2	3	4	5	6	7	8
	0	0	1	2	3	4	5	6	7	8
		0	1	2	3	4	5	6	7	8
			2	3	4	5	6	7	8	9
				4	5	6	7	8	9	10
					6	7	8	9	10	11
						8	9	10	11	12
							10	11	12	13
								12	13	14
									14	15
										16