A123474 - OEIS

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A123474 as a triangular array

									1
								0		0
							0		3		0
						0		10		10		0
					0		15		340		15		0
				0		21		6965		6965		21		0
			0		28		51296		246295		51296		28		0
		0		36		326676		14750946		14750946		326676		36		0
	0		45		1917840		322476210		796058676		322476210		1917840		45		0
0		55		10683255

A123474 as a square array

1	0	0	0	0	0	0	0	0	0
0	3	10	15	21	28	36	45	55
0	10	340	6965	51296	326676	1917840	10683255
0	15	6965	246295	14750946	322476210
0	21	51296	14750946	796058676
0	28	326676	322476210
0	36	1917840
0	45
0

A123474 as an upper right triangle

1	0	0	0	0	0	0	0	0	0
	0	3	10	15	21	28	36	45	55
		0	10	340	6965	51296	326676	1917840	10683255
			0	15	6965	246295	14750946	322476210
				0	21	51296	14750946	796058676
					0	28	326676	322476210
						0	36	1917840
							0	45
								0