A204705 - OEIS

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A204705 as a triangular array

									1
								2		2
							4		14		4
						11		96		96		11
					30		726		1417		726		30
				82		5400		22869		22869		5400		82
			224		40344		362020		835135		362020		40344		224
		612		301056		5767683		29846373		29846373		5767683		301056		612
	1672		2247264		91733605		1074195735		2389914827

A204705 as a square array

1	2	4	11	30	82	224	612	1672
2	14	96	726	5400	40344	301056	2247264
4	96	1417	22869	362020	5767683	91733605
11	726	22869	835135	29846373	1074195735
30	5400	362020	29846373	2389914827
82	40344	5767683
224	301056
612

A204705 as an upper right triangle

1	2	4	11	30	82	224	612	1672
	2	14	96	726	5400	40344	301056	2247264
		4	96	1417	22869	362020	5767683	91733605
			11	726	22869	835135	29846373	1074195735
				30	5400	362020	29846373	2389914827
					82	40344	5767683
						224	301056
							612