A143228 - OEIS

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A143228 as a triangular array

											1
										1		1
									2		2		4
								3		3		6		9
							5		5		10		15		25
						7		7		14		21		35		49
					11		11		22		33		55		77		121
				15		15		30		45		75		105		165		225
			22		22		44		66		110		154		242		330		484
		30		30		60		90		150		210		330		450		660		900
	42		42		84		126		210		294		462		630		924		1260		1764

A143228 as a square array

1	1	2	3	5	7	11	15	22	30	42
1	2	3	5	7	11	15	22	30	42
4	6	10	14	22	30	44	60	84
9	15	21	33	45	66	90	126
25	35	55	75	110	150	210
49	77	105	154	210	294
121	165	242	330	462
225	330	450	630
484	660	924
900	1260
1764

A143228 as an upper right triangle

1	1	2	3	5	7	11	15	22	30	42
	1	2	3	5	7	11	15	22	30	42
		4	6	10	14	22	30	44	60	84
			9	15	21	33	45	66	90	126
				25	35	55	75	110	150	210
					49	77	105	154	210	294
						121	165	242	330	462
							225	330	450	630
								484	660	924
									900	1260
										1764