A280217 - OEIS

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A280217 as a triangular array

									0
								1		1
							0		2		0
						6		26		26		6
					6		92		158		92		6
				30		307		886		886		307		30
			54		1072		4382		7048		4382		1072		54
		158		3541		20593		49328		49328		20593		3541		158
	342		11834		93326		320755		474433		320755		93326		11834		342
846		38687		410789		2001079

A280217 as a square array

0	1	0	6	6	30	54	158	342	846
1	2	26	92	307	1072	3541	11834	38687
0	26	158	886	4382	20593	93326	410789
6	92	886	7048	49328	320755	2001079
6	307	4382	49328	474433
30	1072	20593	320755
54	3541	93326
158	11834
342

A280217 as an upper right triangle

0	1	0	6	6	30	54	158	342	846
	1	2	26	92	307	1072	3541	11834	38687
		0	26	158	886	4382	20593	93326	410789
			6	92	886	7048	49328	320755	2001079
				6	307	4382	49328	474433
					30	1072	20593	320755
						54	3541	93326
							158	11834
								342