A112739 - OEIS

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A112739 as a triangular array

												1
											1		1
										1		2		1
									1		3		2		1
								1		4		5		2		1
							1		5		10		7		2		1
						1		6		17		22		9		2		1
					1		7		26		53		46		11		2		1
				1		8		37		106		161		94		13		2		1
			1		9		50		187		426		485		190		15		2		1
		1		10		65		302		937		1706		1457		382		17		2		1
	1		11		82		457		1814		4687		6826		4373		766		19

A112739 as a square array

1	1	1	1	1	1	1	1	1	1	1	1
1	2	3	4	5	6	7	8	9	10	11
1	2	5	10	17	26	37	50	65	82
1	2	7	22	53	106	187	302	457
1	2	9	46	161	426	937	1814
1	2	11	94	485	1706	4687
1	2	13	190	1457	6826
1	2	15	382	4373
1	2	17	766
1	2	19
1

A112739 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1
	1	2	3	4	5	6	7	8	9	10	11
		1	2	5	10	17	26	37	50	65	82
			1	2	7	22	53	106	187	302	457
				1	2	9	46	161	426	937	1814
					1	2	11	94	485	1706	4687
						1	2	13	190	1457	6826
							1	2	15	382	4373
								1	2	17	766
									1	2	19
										1