A277443 - OEIS

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A277443 as a triangular array

											0
										0		0
									0		2		0
								0		0		18		0
							0		2		12		84		0
						0		0		114		264		260		0
					0		2		180		2652		1920		630		0
				0		0		858		16080		29660		8520		1302		0
			0		2		1932		119844		367080		198030		28140		2408		0
		0		0		7074		816984		4843460		4067280		932862		76272		4104		0
	0		2		18660		5784492		62682480		85847910		28576380		3440024		179424		6570		0

A277443 as a square array

0	0	0	0	0	0	0	0	0	0	0
0	2	0	2	0	2	0	2	0	2
0	18	12	114	180	858	1932	7074	18660
0	84	264	2652	16080	119844	816984	5784492
0	260	1920	29660	367080	4843460	62682480
0	630	8520	198030	4067280	85847910
0	1302	28140	932862	28576380
0	2408	76272	3440024
0	4104	179424
0	6570
0

A277443 as an upper right triangle

0	0	0	0	0	0	0	0	0	0	0
	0	2	0	2	0	2	0	2	0	2
		0	18	12	114	180	858	1932	7074	18660
			0	84	264	2652	16080	119844	816984	5784492
				0	260	1920	29660	367080	4843460	62682480
					0	630	8520	198030	4067280	85847910
						0	1302	28140	932862	28576380
							0	2408	76272	3440024
								0	4104	179424
									0	6570
										0