A246982 - OEIS

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A246982 as a triangular array

												1
											1		3
										2		4		6
									2		4		8		10
								3		6		9		13		15
							3		7		9		15		19		21
						4		8		12		16		22		26		28
					4		9		14		16		24		30		34		36
				5		10		16		20		25		33		39		43		45
			5		11		17		23		25		35		43		49		53		55
		6		12		18		26		30		36		46		54		60		64		66
	6		13		20

A246982 as a square array

1	1	2	2	3	3	4	4	5	5	6	6
3	4	4	6	7	8	9	10	11	12	13
6	8	9	9	12	14	16	17	18	20
10	13	15	16	16	20	23	26
15	19	22	24	25	25	30
21	26	30	33	35	36
28	34	39	43	46
36	43	49	54
45	53	60
55	64
66

A246982 as an upper right triangle

1	1	2	2	3	3	4	4	5	5	6	6
	3	4	4	6	7	8	9	10	11	12	13
		6	8	9	9	12	14	16	17	18	20
			10	13	15	16	16	20	23	26
				15	19	22	24	25	25	30
					21	26	30	33	35	36
						28	34	39	43	46
							36	43	49	54
								45	53	60
									55	64
										66