A075117 - OEIS

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A075117 as a triangular array

												2
											1		2
										1		1		2
									1		3		1		2
								1		4		5		1		2
							1		7		7		7		1		2
						1		11		17		10		9		1		2
					1		18		31		31		13		11		1		2
				1		29		65		61		49		16		13		1		2
			1		47		127		154		101		71		19		15		1		2
		1		76		257		337		297		151		97		22		17		1		2
	1		123		511		799		701		506		211		127		25		19		1		2

A075117 as a square array

2	1	1	1	1	1	1	1	1	1	1	1
2	1	3	4	7	11	18	29	47	76	123
2	1	5	7	17	31	65	127	257	511
2	1	7	10	31	61	154	337	799
2	1	9	13	49	101	297	701
2	1	11	16	71	151	506
2	1	13	19	97	211
2	1	15	22	127
2	1	17	25
2	1	19
2	1
2

A075117 as an upper right triangle

2	1	1	1	1	1	1	1	1	1	1	1
	2	1	3	4	7	11	18	29	47	76	123
		2	1	5	7	17	31	65	127	257	511
			2	1	7	10	31	61	154	337	799
				2	1	9	13	49	101	297	701
					2	1	11	16	71	151	506
						2	1	13	19	97	211
							2	1	15	22	127
								2	1	17	25
									2	1	19
										2	1
											2