A263442 - OEIS

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A263442 as a triangular array

									1
								1		1
							1		1		1
						2		4		4		2
					4		25		49		25		4
				8		125		1770		1770		125		8
			12		633		52352		560436		52352		633		12
		18		2532		1095488		96348384		96348384		1095488		2532		18
	27		10288		20725780		10716259649

A263442 as a square array

1	1	1	2	4	8	12	18	27
1	1	4	25	125	633	2532	10288
1	4	49	1770	52352	1095488	20725780
2	25	1770	560436	96348384	10716259649
4	125	52352	96348384
8	633	1095488
12	2532
18

A263442 as an upper right triangle

1	1	1	2	4	8	12	18	27
	1	1	4	25	125	633	2532	10288
		1	4	49	1770	52352	1095488	20725780
			2	25	1770	560436	96348384	10716259649
				4	125	52352	96348384
					8	633	1095488
						12	2532
							18