A117501 - OEIS

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A117501 as a triangular array

												1
											1		1
										1		2		2
									1		3		3		3
								1		4		4		5		5
							1		5		5		7		8		8
						1		6		6		9		11		13		13
					1		7		7		11		14		18		21		21
				1		8		8		13		17		23		29		34		34
			1		9		9		15		20		28		37		47		55		55
		1		10		10		17		23		33		45		60		76		89		89
	1		11		11		19		26		38		53		73		97		123		144		144

A117501 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
2	3	4	5	6	7	8	9	10	11
3	5	7	9	11	13	15	17	19
5	8	11	14	17	20	23	26
8	13	18	23	28	33	38
13	21	29	37	45	53
21	34	47	60	73
34	55	76	97
55	89	123
89	144
144

A117501 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
		2	3	4	5	6	7	8	9	10	11
			3	5	7	9	11	13	15	17	19
				5	8	11	14	17	20	23	26
					8	13	18	23	28	33	38
						13	21	29	37	45	53
							21	34	47	60	73
								34	55	76	97
									55	89	123
										89	144
											144