A189326 - OEIS

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A189326 as a triangular array

												2
											4		2
										5		6		2
									7		7		8		2
								8		12		11		10		2
							10		12		20		16		12		2
						11		18		21		32		22		14		2
					13		17		36		33		49		28		16		2
				14		24		31		64		54		70		34		18		2
			16		22		49		51		110		84		94		40		20		2
		17		30		42		95		91		179		119		120		46		22		2
	19		27		63		76		179		157		275		157

A189326 as a square array

2	4	5	7	8	10	11	13	14	16	17	19
2	6	7	12	12	18	17	24	22	30	27
2	8	11	20	21	36	31	49	42	63
2	10	16	32	33	64	51	95	76
2	12	22	49	54	110	91	179
2	14	28	70	84	179	157
2	16	34	94	119	275
2	18	40	120	157
2	20	46
2	22
2

A189326 as an upper right triangle

2	4	5	7	8	10	11	13	14	16	17	19
	2	6	7	12	12	18	17	24	22	30	27
		2	8	11	20	21	36	31	49	42	63
			2	10	16	32	33	64	51	95	76
				2	12	22	49	54	110	91	179
					2	14	28	70	84	179	157
						2	16	34	94	119	275
							2	18	40	120	157
								2	20	46
									2	22
										2