A249869 - OEIS

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A249869 as a triangular array

											6
										0		30
									60		0		84
								0		210		0		180
							210		0		0		0		330
						0		630		0		924		0		546
					504		0		1320		0		1560		0		840
				0		1386		0		2340		0		0		0		1224
			990		0		2730		0		0		0		3570		0		1710
		0		2574		0		4620		0		5610		0		5016		0		2310
	1716		0		0		0		7140		0		7980		0		0		0		3036

A249869 as a square array

6	0	60	0	210	0	504	0	990	0	1716
30	0	210	0	630	0	1386	0	2574	0
84	0	0	0	1320	0	2730	0	0
180	0	924	0	2340	0	4620	0
330	0	1560	0	0	0	7140
546	0	0	0	5610	0
840	0	3570	0	7980
1224	0	5016	0
1710	0	0
2310	0
3036

A249869 as an upper right triangle

6	0	60	0	210	0	504	0	990	0	1716
	30	0	210	0	630	0	1386	0	2574	0
		84	0	0	0	1320	0	2730	0	0
			180	0	924	0	2340	0	4620	0
				330	0	1560	0	0	0	7140
					546	0	0	0	5610	0
						840	0	3570	0	7980
							1224	0	5016	0
								1710	0	0
									2310	0
										3036