A161564 - OEIS

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A161564 as a triangular array

										1
									0		1
								2		0		2
							5		2		0		3
						12		5		4		0		5
					24		12		10		6		0		7
				56		24		24		15		10		0		11
			113		56		48		36		25		14		0		15
		248		113		112		72		60		35		22		0		22
	503		248		226		168		120		84		55		30		0		30

A161564 as a square array

1	0	2	5	12	24	56	113	248	503
1	0	2	5	12	24	56	113	248
2	0	4	10	24	48	112	226
3	0	6	15	36	72	168
5	0	10	25	60	120
7	0	14	35	84
11	0	22	55
15	0	30
22	0
30

A161564 as an upper right triangle

1	0	2	5	12	24	56	113	248	503
	1	0	2	5	12	24	56	113	248
		2	0	4	10	24	48	112	226
			3	0	6	15	36	72	168
				5	0	10	25	60	120
					7	0	14	35	84
						11	0	22	55
							15	0	30
								22	0
									30