A091499 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A091499 as a triangular array

														1
													1		1
												1		1		1
											1		1		2		1
										1		1		2		2		1
									1		1		2		3		3		1
								1		1		2		4		4		3		1
							1		1		2		4		6		5		4		1
						1		1		2		4		7		8		7		4		1
					1		1		2		4		8		10		12		8		5		1
				1		1		2		4		9		13		15		16		10		5		1
			1		1		2		4		9		15		20		22		21		12		6		1
		1		1		2		4		9		17		25		31		31		27		14		6		1
	1		1		2		4		9

A091499 as a square array

1	1	1	1	1	1	1	1	1	1	1	1	1	1
1	1	1	1	1	1	1	1	1	1	1	1	1
1	2	2	2	2	2	2	2	2	2	2	2
1	2	3	4	4	4	4	4	4	4	4
1	3	4	6	7	8	9	9	9	9
1	3	5	8	10	13	15	17
1	4	7	12	15	20	25
1	4	8	16	22	31
1	5	10	21	31
1	5	12	27
1	6	14
1	6
1

A091499 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1	1	1
	1	1	1	1	1	1	1	1	1	1	1	1	1
		1	2	2	2	2	2	2	2	2	2	2	2
			1	2	3	4	4	4	4	4	4	4	4
				1	3	4	6	7	8	9	9	9	9
					1	3	5	8	10	13	15	17
						1	4	7	12	15	20	25
							1	4	8	16	22	31
								1	5	10	21	31
									1	5	12	27
										1	6	14
											1	6
												1