A238707 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A238707 as a triangular array

												1
											1		0
										2		0		0
									2		2		0		0
								4		3		3		0		0
							2		14		6		4		0		0
						12		14		35		10		5		0		0
					2		69		71		69		15		6		0		0
				30		97		295		195		119		21		7		0		0
			44		251		751		929		421		188		28		8		0		0
		86		671		2326		3044		2254		791		279		36		9		0		0
	2		1847		6524		11824		8999		4696		1354		395		45		10		0		0

A238707 as a square array

1	1	2	2	4	2	12	2	30	44	86	2
0	0	2	3	14	14	69	97	251	671	1847
0	0	3	6	35	71	295	751	2326	6524
0	0	4	10	69	195	929	3044	11824
0	0	5	15	119	421	2254	8999
0	0	6	21	188	791	4696
0	0	7	28	279	1354
0	0	8	36	395
0	0	9	45
0	0	10
0	0
0

A238707 as an upper right triangle

1	1	2	2	4	2	12	2	30	44	86	2
	0	0	2	3	14	14	69	97	251	671	1847
		0	0	3	6	35	71	295	751	2326	6524
			0	0	4	10	69	195	929	3044	11824
				0	0	5	15	119	421	2254	8999
					0	0	6	21	188	791	4696
						0	0	7	28	279	1354
							0	0	8	36	395
								0	0	9	45
									0	0	10
										0	0
											0