A251630 - OEIS

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A251630 as a triangular array

										1
									4		6
								12		15		18
							28		32		36		40
						55		60		65		70		75
					96		102		108		114		120		126
				154		161		168		175		182		189		196
			232		240		248		256		264		272		280		288
		333		342		351		360		369		378		387		396		405
	460		470		480		490		500		510		520		530

A251630 as a square array

1	4	12	28	55	96	154	232	333	460
6	15	32	60	102	161	240	342	470
18	36	65	108	168	248	351	480
40	70	114	175	256	360	490
75	120	182	264	369	500
126	189	272	378	510
196	280	387	520
288	396	530
405

A251630 as an upper right triangle

1	4	12	28	55	96	154	232	333	460
	6	15	32	60	102	161	240	342	470
		18	36	65	108	168	248	351	480
			40	70	114	175	256	360	490
				75	120	182	264	369	500
					126	189	272	378	510
						196	280	387	520
							288	396	530
								405