A238012 - OEIS

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A238012 as a triangular array

											0
										0		0
									0		1		0
								0		1		0		0
							0		1		1		0		0
						0		1		4		2		0		0
					0		1		7		48		9		0		0
				0		1		12		310		3042		119		0		0
			0		1		17		1240		109809		1067474		4935		0		0
		0		1		24		3781		1655004		370702459		2215932130		596763		0		0
	0		1		31		9633		14942231		32796849930		13173778523786		29012104252380		211517867		0		0

A238012 as a square array

0	0	0	0	0	0	0	0	0	0	0
0	1	1	1	1	1	1	1	1	1
0	0	1	4	7	12	17	24	31
0	0	2	48	310	1240	3781	9633
0	0	9	3042	109809	1655004	14942231
0	0	119	1067474	370702459	32796849930
0	0	4935	2215932130	13173778523786
0	0	596763	29012104252380
0	0	211517867
0	0
0

A238012 as an upper right triangle

0	0	0	0	0	0	0	0	0	0	0
	0	1	1	1	1	1	1	1	1	1
		0	0	1	4	7	12	17	24	31
			0	0	2	48	310	1240	3781	9633
				0	0	9	3042	109809	1655004	14942231
					0	0	119	1067474	370702459	32796849930
						0	0	4935	2215932130	13173778523786
							0	0	596763	29012104252380
								0	0	211517867
									0	0
										0