A223811 - OEIS

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A223811 as a triangular array

								4
							16		16
						50		256		50
					130		2500		2500		130
				296		16900		58806		16900		296
			610		87616		825896		825896		87616		610
		1163		372100		8165133		20847008		8165133		372100		1163
	2083		1352569		62305953		342521725		342521725		62305953		1352569		2083

A223811 as a square array

4	16	50	130	296	610	1163	2083
16	256	2500	16900	87616	372100	1352569
50	2500	58806	825896	8165133	62305953
130	16900	825896	20847008	342521725
296	87616	8165133	342521725
610	372100	62305953
1163	1352569
2083

A223811 as an upper right triangle

4	16	50	130	296	610	1163	2083
	16	256	2500	16900	87616	372100	1352569
		50	2500	58806	825896	8165133	62305953
			130	16900	825896	20847008	342521725
				296	87616	8165133	342521725
					610	372100	62305953
						1163	1352569
							2083