A049747 - OEIS

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A049747 as a triangular array

											0
										2		2
									3		3		3
								5		5		5		5
							9		7		5		7		9
						13		11		9		9		11		13
					19		15		11		11		11		15		19
				23		21		17		13		13		17		21		23
			31		25		21		19		17		19		21		25		31
		39		35		27		23		23		23		23		27		35		39
	49		41		35		29		25		25		25		29		35		41		49

A049747 as a square array

0	2	3	5	9	13	19	23	31	39	49
2	3	5	7	11	15	21	25	35	41
3	5	5	9	11	17	21	27	35
5	7	9	11	13	19	23	29
9	11	11	13	17	23	25
13	15	17	19	23	25
19	21	21	23	25
23	25	27	29
31	35	35
39	41
49

A049747 as an upper right triangle

0	2	3	5	9	13	19	23	31	39	49
	2	3	5	7	11	15	21	25	35	41
		3	5	5	9	11	17	21	27	35
			5	7	9	11	13	19	23	29
				9	11	11	13	17	23	25
					13	15	17	19	23	25
						19	21	21	23	25
							23	25	27	29
								31	35	35
									39	41
										49