A271916 - OEIS

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A271916 as a triangular array

												0
											0		0
										0		1		0
									0		2		2		0
								0		3		5		3		0
							0		4		8		8		4		0
						0		5		11		14		11		5		0
					0		6		14		20		20		14		6		0
				0		7		17		26		30		26		17		7		0
			0		8		20		32		40		40		32		20		8		0
		0		9		23		38		50		55		50		38		23		9		0
	0		10		26		44		60		70		70		60		44		26		10		0

A271916 as a square array

0	0	0	0	0	0	0	0	0	0	0	0
0	1	2	3	4	5	6	7	8	9	10
0	2	5	8	11	14	17	20	23	26
0	3	8	14	20	26	32	38	44
0	4	11	20	30	40	50	60
0	5	14	26	40	55	70
0	6	17	32	50	70
0	7	20	38	60
0	8	23	44
0	9	26
0	10
0

A271916 as an upper right triangle

0	0	0	0	0	0	0	0	0	0	0	0
	0	1	2	3	4	5	6	7	8	9	10
		0	2	5	8	11	14	17	20	23	26
			0	3	8	14	20	26	32	38	44
				0	4	11	20	30	40	50	60
					0	5	14	26	40	55	70
						0	6	17	32	50	70
							0	7	20	38	60
								0	8	23	44
									0	9	26
										0	10
											0