A185903 - OEIS

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A185903 as a triangular array

									0
								1		1
							1		15		1
						8		196		196		8
					15		2765		7854		2765		15
				71		38731		546280		546280		38731		71
			176		545328		28967421		139230658		28967421		545328		176
		673		7675381		1748982326		32611077940		32611077940		1748982326		7675381		673
	1905

A185903 as a square array

0	1	1	8	15	71	176	673	1905
1	15	196	2765	38731	545328	7675381
1	196	7854	546280	28967421	1748982326
8	2765	546280	139230658	32611077940
15	38731	28967421	32611077940
71	545328	1748982326
176	7675381
673

A185903 as an upper right triangle

0	1	1	8	15	71	176	673	1905
	1	15	196	2765	38731	545328	7675381
		1	196	7854	546280	28967421	1748982326
			8	2765	546280	139230658	32611077940
				15	38731	28967421	32611077940
					71	545328	1748982326
						176	7675381
							673