A208544 - OEIS

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A208544 as a triangular array

												1
											2		0
										3		1		0
									4		3		0		0
								5		6		1		1		0
							6		10		4		6		0		0
						7		15		10		21		3		1		0
					8		21		20		55		24		13		0		0
				9		28		35		120		102		92		9		1		0
			10		36		56		231		312		430		156		30		0		0
		11		45		84		406		777		1505		1170		498		29		1		0
	12		55		120		666		1680		4291		5580		4435

A208544 as a square array

1	2	3	4	5	6	7	8	9	10	11	12
0	1	3	6	10	15	21	28	36	45	55
0	0	1	4	10	20	35	56	84	120
0	1	6	21	55	120	231	406	666
0	0	3	24	102	312	777	1680
0	1	13	92	430	1505	4291
0	0	9	156	1170	5580
0	1	30	498	4435
0	0	29
0	1
0

A208544 as an upper right triangle

1	2	3	4	5	6	7	8	9	10	11	12
	0	1	3	6	10	15	21	28	36	45	55
		0	0	1	4	10	20	35	56	84	120
			0	1	6	21	55	120	231	406	666
				0	0	3	24	102	312	777	1680
					0	1	13	92	430	1505	4291
						0	0	9	156	1170	5580
							0	1	30	498	4435
								0	0	29
									0	1
										0