A209416 - OEIS

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A209416 as a triangular array

											1
										1		2
									1		3		3
								1		5		7		4
							1		6		15		14		5
						1		8		23		36		25		6
					1		9		36		69		76		41		7
				1		11		48		123		176		147		63		8
			1		12		66		192		355		400		266		92		9
		1		14		82		292		635		910		834		456		129		10
	1		15		105		410		1065		1833		2131		1626		747		175		11

A209416 as a square array

1	1	1	1	1	1	1	1	1	1	1
2	3	5	6	8	9	11	12	14	15
3	7	15	23	36	48	66	82	105
4	14	36	69	123	192	292	410
5	25	76	176	355	635	1065
6	41	147	400	910	1833
7	63	266	834	2131
8	92	456	1626
9	129	747
10	175
11

A209416 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	2	3	5	6	8	9	11	12	14	15
		3	7	15	23	36	48	66	82	105
			4	14	36	69	123	192	292	410
				5	25	76	176	355	635	1065
					6	41	147	400	910	1833
						7	63	266	834	2131
							8	92	456	1626
								9	129	747
									10	175
										11