A278272 - OEIS

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A278272 as a triangular array

									0
								0		0
							0		4		0
						0		47		47		0
					0		395		1541		395		0
				0		3453		46669		46669		3453		0
			0		30475		1443372		4917221		1443372		30475		0
		0		268257		44653299		534794424		534794424		44653299		268257		0
	0		2360984		1380961734		58169902939

A278272 as a square array

0	0	0	0	0	0	0	0	0
0	4	47	395	3453	30475	268257	2360984
0	47	1541	46669	1443372	44653299	1380961734
0	395	46669	4917221	534794424	58169902939
0	3453	1443372	534794424
0	30475	44653299
0	268257
0

A278272 as an upper right triangle

0	0	0	0	0	0	0	0	0
	0	4	47	395	3453	30475	268257	2360984
		0	47	1541	46669	1443372	44653299	1380961734
			0	395	46669	4917221	534794424	58169902939
				0	3453	1443372	534794424
					0	30475	44653299
						0	268257
							0