A246341 - OEIS

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A246341 as a triangular array

											2
										5		2
									7		5		2
								9		7		16		2
							10		13		22		22		2
						11		16		26		26		87		2
					12		22		30		49		94		196		2
				13		26		39		67		137		438		776		2
			15		30		43		79		196		505		783		776		2
		16		39		49		87		345		512		1171		783		783		2
	21		43		67		90		371		677		1184		1171

A246341 as a square array

2	5	7	9	10	11	12	13	15	16	21
2	5	7	13	16	22	26	30	39	43
2	16	22	26	30	39	43	49	67
2	22	26	49	67	79	87	90
2	87	94	137	196	345	371
2	196	438	505	512	677
2	776	783	1171	1184
2	776	783	1171
2	783
2

A246341 as an upper right triangle

2	5	7	9	10	11	12	13	15	16	21
	2	5	7	13	16	22	26	30	39	43
		2	16	22	26	30	39	43	49	67
			2	22	26	49	67	79	87	90
				2	87	94	137	196	345	371
					2	196	438	505	512	677
						2	776	783	1171	1184
							2	776	783	1171
								2	783
									2