A279408 - OEIS

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A279408 as a triangular array

													1
												1		1
											1		1		1
										2		2		2		3
									2		2		2		4		4
								2		2		2		4		4		4
							3		3		3		5		5		6		7
						3		3		3		6		6		6		8		8
					3		3		3		6		6		6		9		9		9
				4		4		4		7		7		8		10		11		12		14
			4		4		4		8		8		8		11		11		12		15		15
		4		4		4		8		8		8		12		12		12		16		16		16
	5		5		5		9		9		10		13		14		15		18		19		20		22

A279408 as a square array

1	1	1	2	2	2	3	3	3	4	4	4	5
1	1	2	2	2	3	3	3	4	4	4	5
1	2	2	2	3	3	3	4	4	4	5
3	4	4	5	6	6	7	8	8	9
4	4	5	6	6	7	8	8	9
4	6	6	6	8	8	8	10
7	8	9	10	11	12	13
8	9	11	11	12	14
9	12	12	12	15
14	15	16	18
15	16	19
16	20
22

A279408 as an upper right triangle

1	1	1	2	2	2	3	3	3	4	4	4	5
	1	1	2	2	2	3	3	3	4	4	4	5
		1	2	2	2	3	3	3	4	4	4	5
			3	4	4	5	6	6	7	8	8	9
				4	4	5	6	6	7	8	8	9
					4	6	6	6	8	8	8	10
						7	8	9	10	11	12	13
							8	9	11	11	12	14
								9	12	12	12	15
									14	15	16	18
										15	16	19
											16	20
												22