A143969 - OEIS

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A143969 as a triangular array

								1
							5		1
						5		5		6
					5		5		30		16
				5		5		30		80		56
			5		5		30		80		280		176
		5		5		30		80		280		880		1856
	5		5		30		80		280		880		9280		6016
5		5		30		80		280		880		9280		30080		19456

A143969 as a square array

1	5	5	5	5	5	5	5	5
1	5	5	5	5	5	5	5
6	30	30	30	30	30	30
16	80	80	80	80	80
56	280	280	280	280
176	880	880	880
1856	9280	9280
6016	30080
19456

A143969 as an upper right triangle

1	5	5	5	5	5	5	5	5
	1	5	5	5	5	5	5	5
		6	30	30	30	30	30	30
			16	80	80	80	80	80
				56	280	280	280	280
					176	880	880	880
						1856	9280	9280
							6016	30080
								19456