A223440 - OEIS

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A223440 as a triangular array

								16
							48		48
						144		256		144
					432		1376		1376		432
				1296		7424		14112		7424		1296
			3888		40160		147520		147520		40160		3888
		11664		217600		1562176		3099264		1562176		217600		11664
	34992		1180256		16693920		67182208		67182208		16693920		1180256

A223440 as a square array

16	48	144	432	1296	3888	11664	34992
48	256	1376	7424	40160	217600	1180256
144	1376	14112	147520	1562176	16693920
432	7424	147520	3099264	67182208
1296	40160	1562176	67182208
3888	217600	16693920
11664	1180256

A223440 as an upper right triangle

16	48	144	432	1296	3888	11664	34992
	48	256	1376	7424	40160	217600	1180256
		144	1376	14112	147520	1562176	16693920
			432	7424	147520	3099264	67182208
				1296	40160	1562176	67182208
					3888	217600	16693920
						11664	1180256