A083221 - OEIS

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A083221 as a triangular array

											2
										4		3
									6		9		5
								8		15		25		7
							10		21		35		49		11
						12		27		55		77		121		13
					14		33		65		91		143		169		17
				16		39		85		119		187		221		289		19
			18		45		95		133		209		247		323		361		23
		20		51		115		161		253		299		391		437		529		29
	22		57		125		203		319		377		493		551		667

A083221 as a square array

2	4	6	8	10	12	14	16	18	20	22
3	9	15	21	27	33	39	45	51	57
5	25	35	55	65	85	95	115	125
7	49	77	91	119	133	161	203
11	121	143	187	209	253	319
13	169	221	247	299	377
17	289	323	391	493
19	361	437	551
23	529	667
29

A083221 as an upper right triangle

2	4	6	8	10	12	14	16	18	20	22
	3	9	15	21	27	33	39	45	51	57
		5	25	35	55	65	85	95	115	125
			7	49	77	91	119	133	161	203
				11	121	143	187	209	253	319
					13	169	221	247	299	377
						17	289	323	391	493
							19	361	437	551
								23	529	667
									29