A278006 - OEIS

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A278006 as a triangular array

									0
								0		0
							0		9		0
						0		52		52		0
					0		364		866		364		0
				0		2523		16583		16583		2523		0
			0		17424		316432		912870		316432		17424		0
		0		120462		6031565		49996267		49996267		6031565		120462		0
	0		832701		114975158		2732579072		7830217270		2732579072		114975158

A278006 as a square array

0	0	0	0	0	0	0	0	0
0	9	52	364	2523	17424	120462	832701
0	52	866	16583	316432	6031565	114975158
0	364	16583	912870	49996267	2732579072
0	2523	316432	49996267	7830217270
0	17424	6031565	2732579072
0	120462	114975158
0

A278006 as an upper right triangle

0	0	0	0	0	0	0	0	0
	0	9	52	364	2523	17424	120462	832701
		0	52	866	16583	316432	6031565	114975158
			0	364	16583	912870	49996267	2732579072
				0	2523	316432	49996267	7830217270
					0	17424	6031565	2732579072
						0	120462	114975158
							0