A075780 - OEIS

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A075780 as a triangular array

										0
									3		3
								12		14		12
							30		45		45		30
						60		114		138		114		60
					105		245		357		357		245		105
				168		468		808		960		808		468		168
			252		819		1647		2286		2286		1647		819		252
		360		1340		3090		4935		5740		4935		3090		1340		360
	495		2079		5423		9834		13090		13090		9834		5423

A075780 as a square array

0	3	12	30	60	105	168	252	360	495
3	14	45	114	245	468	819	1340	2079
12	45	138	357	808	1647	3090	5423
30	114	357	960	2286	4935	9834
60	245	808	2286	5740	13090
105	468	1647	4935	13090
168	819	3090	9834
252	1340	5423
360

A075780 as an upper right triangle

0	3	12	30	60	105	168	252	360	495
	3	14	45	114	245	468	819	1340	2079
		12	45	138	357	808	1647	3090	5423
			30	114	357	960	2286	4935	9834
				60	245	808	2286	5740	13090
					105	468	1647	4935	13090
						168	819	3090	9834
							252	1340	5423
								360