A049430 - OEIS

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A049430 as a triangular array

											1
										0		1
									0		1		1
								0		1		4		2
							0		1		11		11		3
						0		1		34		77		35		6
					0		1		107		499		412		104		11
				0		1		368		3442		4888		2009		319		23
			0		1		1284		24128		57122		36585		8869		951		47
		0		1		4654		173428		667959		647680		231574		36988		2862		106
	0		1		17072		1262464		7799183		11173880		5712765		1297366		146578		8516		235

A049430 as a square array

1	0	0	0	0	0	0	0	0	0	0
1	1	1	1	1	1	1	1	1	1
1	4	11	34	107	368	1284	4654	17072
2	11	77	499	3442	24128	173428	1262464
3	35	412	4888	57122	667959	7799183
6	104	2009	36585	647680	11173880
11	319	8869	231574	5712765
23	951	36988	1297366
47	2862	146578
106	8516
235

A049430 as an upper right triangle

1	0	0	0	0	0	0	0	0	0	0
	1	1	1	1	1	1	1	1	1	1
		1	4	11	34	107	368	1284	4654	17072
			2	11	77	499	3442	24128	173428	1262464
				3	35	412	4888	57122	667959	7799183
					6	104	2009	36585	647680	11173880
						11	319	8869	231574	5712765
							23	951	36988	1297366
								47	2862	146578
									106	8516
										235