A067138 - OEIS

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A067138 as a triangular array

													0
												0		0
											0		1		0
										0		2		2		0
									0		3		4		3		0
								0		4		6		6		4		0
							0		5		8		7		8		5		0
						0		6		10		12		12		10		6		0
					0		7		12		15		16		15		12		7		0
				0		8		14		14		20		20		14		14		8		0
			0		9		16		15		24		21		24		15		16		9		0
		0		10		18		24		28		30		30		28		24		18		10		0
	0		11		20		27		32		31		28

A067138 as a square array

0	0	0	0	0	0	0	0	0	0	0	0	0
0	1	2	3	4	5	6	7	8	9	10	11
0	2	4	6	8	10	12	14	16	18	20
0	3	6	7	12	15	14	15	24	27
0	4	8	12	16	20	24	28	32
0	5	10	15	20	21	30	31
0	6	12	14	24	30	28
0	7	14	15	28
0	8	16	24
0	9	18
0	10
0

A067138 as an upper right triangle

0	0	0	0	0	0	0	0	0	0	0	0	0
	0	1	2	3	4	5	6	7	8	9	10	11
		0	2	4	6	8	10	12	14	16	18	20
			0	3	6	7	12	15	14	15	24	27
				0	4	8	12	16	20	24	28	32
					0	5	10	15	20	21	30	31
						0	6	12	14	24	30	28
							0	7	14	15	28
								0	8	16	24
									0	9	18
										0	10
											0

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Last modified September 24 14:52 EDT 2024. Contains 376200 sequences. (Running on oeis4.)