A208524 - OEIS

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A208524 as a triangular array

											1
										1		1
									1		3		3
								1		6		10		5
							1		10		22		23		11
						1		15		40		65		60		21
					1		21		65		145		195		137		43
				1		28		98		280		490		518		322		85
			1		36		140		490		1050		1484		1372		723		171
		1		45		192		798		2016		3570		4368		3447		1624		341
	1		55		255		1230		3570

A208524 as a square array

1	1	1	1	1	1	1	1	1	1	1
1	3	6	10	15	21	28	36	45	55
3	10	22	40	65	98	140	192	255
5	23	65	145	280	490	798	1230
11	60	195	490	1050	2016	3570
21	137	518	1484	3570
43	322	1372	4368
85	723	3447
171	1624
341

A208524 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	1	3	6	10	15	21	28	36	45	55
		3	10	22	40	65	98	140	192	255
			5	23	65	145	280	490	798	1230
				11	60	195	490	1050	2016	3570
					21	137	518	1484	3570
						43	322	1372	4368
							85	723	3447
								171	1624
									341