A162630 - OEIS

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A162630 as a triangular array

											2
										4		2
									6		2		4
								8		4		2		6
							10		6		2		4		8
						12		8		4		2		6		10
					14		10		6		2		4		8		12
				16		12		8		4		2		6		10		14
			18		14		10		6		2		4		8		12		16
		20		16		12		8		4		2		6		10		14		18
	22		18		14		10		6		2		4		8		12		16		20
24		20		16		12		8		4		2

A162630 as a square array

2	4	6	8	10	12	14	16	18	20	22	24
2	2	4	6	8	10	12	14	16	18	20
4	2	2	4	6	8	10	12	14	16
6	4	2	2	4	6	8	10	12
8	6	4	2	2	4	6	8
10	8	6	4	2	2	4
12	10	8	6	4	2
14	12	10	8
16	14	12
18	16
20

A162630 as an upper right triangle

2	4	6	8	10	12	14	16	18	20	22	24
	2	2	4	6	8	10	12	14	16	18	20
		4	2	2	4	6	8	10	12	14	16
			6	4	2	2	4	6	8	10	12
				8	6	4	2	2	4	6	8
					10	8	6	4	2	2	4
						12	10	8	6	4	2
							14	12	10	8
								16	14	12
									18	16
										20

											2
										4		2
									6		2		4
								8		4		2		6
							10		6		2		4		8
						12		8		4		2		6		10
					14		10		6		2		4		8		12
				16		12		8		4		2		6		10		14
			18		14		10		6		2		4		8		12		16
		20		16		12		8		4		2		6		10		14		18
	22		18		14		10		6		2		4		8		12		16		20
24		20		16		12		8		4		2

2	4	6	8	10	12	14	16	18	20	22	24
2	2	4	6	8	10	12	14	16	18	20
4	2	2	4	6	8	10	12	14	16
6	4	2	2	4	6	8	10	12
8	6	4	2	2	4	6	8
10	8	6	4	2	2	4
12	10	8	6	4	2
14	12	10	8
16	14	12
18	16
20

2	4	6	8	10	12	14	16	18	20	22	24
	2	2	4	6	8	10	12	14	16	18	20
		4	2	2	4	6	8	10	12	14	16
			6	4	2	2	4	6	8	10	12
				8	6	4	2	2	4	6	8
					10	8	6	4	2	2	4
						12	10	8	6	4	2
							14	12	10	8
								16	14	12
									18	16
										20

											2
										4		2
									6		2		4
								8		4		2		6
							10		6		2		4		8
						12		8		4		2		6		10
					14		10		6		2		4		8		12
				16		12		8		4		2		6		10		14
			18		14		10		6		2		4		8		12		16
		20		16		12		8		4		2		6		10		14		18
	22		18		14		10		6		2		4		8		12		16		20
24		20		16		12		8		4		2

2	4	6	8	10	12	14	16	18	20	22	24
2	2	4	6	8	10	12	14	16	18	20
4	2	2	4	6	8	10	12	14	16
6	4	2	2	4	6	8	10	12
8	6	4	2	2	4	6	8
10	8	6	4	2	2	4
12	10	8	6	4	2
14	12	10	8
16	14	12
18	16
20

2	4	6	8	10	12	14	16	18	20	22	24
	2	2	4	6	8	10	12	14	16	18	20
		4	2	2	4	6	8	10	12	14	16
			6	4	2	2	4	6	8	10	12
				8	6	4	2	2	4	6	8
					10	8	6	4	2	2	4
						12	10	8	6	4	2
							14	12	10	8
								16	14	12
									18	16
										20

											2
										4		2
									6		2		4
								8		4		2		6
							10		6		2		4		8
						12		8		4		2		6		10
					14		10		6		2		4		8		12
				16		12		8		4		2		6		10		14
			18		14		10		6		2		4		8		12		16
		20		16		12		8		4		2		6		10		14		18
	22		18		14		10		6		2		4		8		12		16		20
24		20		16		12		8		4		2

2	4	6	8	10	12	14	16	18	20	22	24
2	2	4	6	8	10	12	14	16	18	20
4	2	2	4	6	8	10	12	14	16
6	4	2	2	4	6	8	10	12
8	6	4	2	2	4	6	8
10	8	6	4	2	2	4
12	10	8	6	4	2
14	12	10	8
16	14	12
18	16
20

2	4	6	8	10	12	14	16	18	20	22	24
	2	2	4	6	8	10	12	14	16	18	20
		4	2	2	4	6	8	10	12	14	16
			6	4	2	2	4	6	8	10	12
				8	6	4	2	2	4	6	8
					10	8	6	4	2	2	4
						12	10	8	6	4	2
							14	12	10	8
								16	14	12
									18	16
										20