A339176 - OEIS

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A339176 as a triangular array

								2
							2		4
						2		5		8
					2		7		17		20
				2		9		42		71		56
			2		13		79		427		449		184
		2		15		189		1486		8707		4040		632
	2		19		262		8340		66740		336957		51353		2752

A339176 as a square array

2	2	2	2	2	2	2	2
4	5	7	9	13	15	19
8	17	42	79	189	262
20	71	427	1486	8340
56	449	8707	66740
184	4040	336957
632	51353
2752

A339176 as an upper right triangle

2	2	2	2	2	2	2	2
	4	5	7	9	13	15	19
		8	17	42	79	189	262
			20	71	427	1486	8340
				56	449	8707	66740
					184	4040	336957
						632	51353
							2752