A118788 - OEIS

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A118788 as a triangular array

										1
									1		1
								1		3		5
							1		6		23		41
						1		10		65		255		469
					1		15		145		930		3679		6889
				1		21		280		2590		16429		65247		123605
			1		28		490		6090		54789		344694		1371887		2620169
		1		36		798		12726		151599		1338330		8367785		33347535		64074901
	1		45		1230		24360

A118788 as a square array

1	1	1	1	1	1	1	1	1	1
1	3	6	10	15	21	28	36	45
5	23	65	145	280	490	798	1230
41	255	930	2590	6090	12726	24360
469	3679	16429	54789	151599
6889	65247	344694	1338330
123605	1371887	8367785
2620169	33347535
64074901

A118788 as an upper right triangle

1	1	1	1	1	1	1	1	1	1
	1	3	6	10	15	21	28	36	45
		5	23	65	145	280	490	798	1230
			41	255	930	2590	6090	12726	24360
				469	3679	16429	54789	151599
					6889	65247	344694	1338330
						123605	1371887	8367785
							2620169	33347535
								64074901