A243831 - OEIS

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A243831 as a triangular array

														0
													0		0
												0		0		0
											0		0		0		0
										0		0		0		0		0
									0		0		0		0		0		42
								0		0		0		0		0		42		0
							0		0		0		0		0		1		0		0
						0		0		0		0		0		0		15		0		0
					0		0		0		0		0		0		1		105		0		0
				0		0		0		0		0		0		0		21		490		0		0
			0		0		0		0		0		0		1		0		196		1764		0		0
		0		0		0		0		0		0		0		6		0		1176		5292		0		0
	0		0		0		0		0		0		0		0		42		0		5292		13860		0		0

A243831 as a square array

0	0	0	0	0	0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0	0	0
42	42	1	0	0	0	0	0	0
0	0	15	1	0	1	0	0
0	0	105	21	0	6	0
0	0	490	196	0	42
0	0	1764	1176	0
0	0	5292	5292
0	0	13860
0	0
0

A243831 as an upper right triangle

0	0	0	0	0	0	0	0	0	0	0	0	0	0
	0	0	0	0	0	0	0	0	0	0	0	0	0
		0	0	0	0	0	0	0	0	0	0	0	0
			0	0	0	0	0	0	0	0	0	0	0
				0	0	0	0	0	0	0	0	0	0
					42	42	1	0	0	0	0	0	0
						0	0	15	1	0	1	0	0
							0	0	105	21	0	6	0
								0	0	490	196	0	42
									0	0	1764	1176	0
										0	0	5292	5292
											0	0	13860
												0	0
													0