A321877 - OEIS

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A321877 as a triangular array

											1
										1		1
									1		1		2
								1		1		3		4
							1		1		5		7		6
						1		1		9		15		14		10
					1		1		17		37		41		28		17
				1		1		33		99		137		107		58		25
			1		1		65		277		491		487		286		106		38
		1		1		129		795		1829		2429		1749		700		201		59
	1		1		257		2317		6971		12763		12056		5901		1735		372		86

A321877 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
2	3	5	9	17	33	65	129	257
4	7	15	37	99	277	795	2317
6	14	41	137	491	1829	6971
10	28	107	487	2429	12763
17	58	286	1749	12056
25	106	700	5901
38	201	1735
59	372
86

A321877 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
		2	3	5	9	17	33	65	129	257
			4	7	15	37	99	277	795	2317
				6	14	41	137	491	1829	6971
					10	28	107	487	2429	12763
						17	58	286	1749	12056
							25	106	700	5901
								38	201	1735
									59	372
										86