A278177 - OEIS

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A278177 as a triangular array

										0
									0		0
								0		2		0
							0		5		5		0
						0		13		18		13		0
					0		43		126		126		43		0
				0		137		737		1476		737		137		0
			0		436		4551		17396		17396		4551		436		0
		0		1394		27692		205363		396024		205363		27692		1394		0
	0		4458		169131		2419304		9120939		9120939		2419304

A278177 as a square array

0	0	0	0	0	0	0	0	0	0
0	2	5	13	43	137	436	1394	4458
0	5	18	126	737	4551	27692	169131
0	13	126	1476	17396	205363	2419304
0	43	737	17396	396024	9120939
0	137	4551	205363	9120939
0	436	27692	2419304
0	1394
0

A278177 as an upper right triangle

0	0	0	0	0	0	0	0	0	0
	0	2	5	13	43	137	436	1394	4458
		0	5	18	126	737	4551	27692	169131
			0	13	126	1476	17396	205363	2419304
				0	43	737	17396	396024	9120939
					0	137	4551	205363	9120939
						0	436	27692	2419304
							0	1394
								0