A293177 - OEIS

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A293177 as a triangular array

										1
									2		2
								2		4		10
							3		6		18		42
						4		10		38		108		358
					5		16		78		274		1132		4468
				7		26		156		692		3580		17742		88056
			9		42		320		1754		11382		70616		439338		2745186
		12		68		654		4442		36270		281202		2192602		17155374		16
	110		1326		11248		114992		1117442		10912392		106972582

A293177 as a square array

1	2	2	3	4	5	7	9	12	110
2	4	6	10	16	26	42	68	1326
10	18	38	78	156	320	654	11248
42	108	274	692	1754	4442	114992
358	1132	3580	11382	36270	1117442
4468	17742	70616	281202	10912392
88056	439338	2192602	106972582
2745186	17155374
16

A293177 as an upper right triangle

1	2	2	3	4	5	7	9	12	110
	2	4	6	10	16	26	42	68	1326
		10	18	38	78	156	320	654	11248
			42	108	274	692	1754	4442	114992
				358	1132	3580	11382	36270	1117442
					4468	17742	70616	281202	10912392
						88056	439338	2192602	106972582
							2745186	17155374
								16