A027293 - OEIS

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A027293 as a triangular array

													1
												1		1
											2		1		1
										3		2		1		1
									5		3		2		1		1
								7		5		3		2		1		1
							11		7		5		3		2		1		1
						15		11		7		5		3		2		1		1
					22		15		11		7		5		3		2		1		1
				30		22		15		11		7		5		3		2		1		1
			42		30		22		15		11		7		5		3		2		1		1
		56		42		30		22		15		11		7		5		3		2		1		1
	77

A027293 as a square array

1	1	2	3	5	7	11	15	22	30	42	56	77
1	1	2	3	5	7	11	15	22	30	42
1	1	2	3	5	7	11	15	22	30
1	1	2	3	5	7	11	15	22
1	1	2	3	5	7	11	15
1	1	2	3	5	7	11
1	1	2	3	5	7
1	1	2	3	5
1	1	2	3
1	1	2
1	1
1

A027293 as an upper right triangle

1	1	2	3	5	7	11	15	22	30	42	56	77
	1	1	2	3	5	7	11	15	22	30	42
		1	1	2	3	5	7	11	15	22	30
			1	1	2	3	5	7	11	15	22
				1	1	2	3	5	7	11	15
					1	1	2	3	5	7	11
						1	1	2	3	5	7
							1	1	2	3	5
								1	1	2	3
									1	1	2
										1	1
											1