A240629 - OEIS

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A240629 as a triangular array

									1
								2		2
							4		10		4
						12		109		109		12
					40		1332		4369		1332		40
				143		16624		180480		180480		16624		143
			528		208015		7462748		24648700		7462748		208015		528
		1979		2604059		308596193		3367163455		3367163455		308596193		2604059		1979
	7466		32601488

A240629 as a square array

1	2	4	12	40	143	528	1979	7466
2	10	109	1332	16624	208015	2604059	32601488
4	109	4369	180480	7462748	308596193
12	1332	180480	24648700	3367163455
40	16624	7462748	3367163455
143	208015	308596193
528	2604059
1979

A240629 as an upper right triangle

1	2	4	12	40	143	528	1979	7466
	2	10	109	1332	16624	208015	2604059	32601488
		4	109	4369	180480	7462748	308596193
			12	1332	180480	24648700	3367163455
				40	16624	7462748	3367163455
					143	208015	308596193
						528	2604059
							1979