A304718 - OEIS

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A304718 as a triangular array

										1
									1		1
								2		2		2
							3		5		5		3
						5		9		14		9		5
					7		18		28		28		18		7
				11		29		63		62		63		29		11
			15		51		109		150		150		109		51		15
		22		79		206		293		380		293		206		79		22
	30		126		342		590		787		787		590		342		126		30
42		189		584		1061		1675		1760		1675		1061		584		189		42

A304718 as a square array

1	1	2	3	5	7	11	15	22	30	42
1	2	5	9	18	29	51	79	126	189
2	5	14	28	63	109	206	342	584
3	9	28	62	150	293	590	1061
5	18	63	150	380	787	1675
7	29	109	293	787	1760
11	51	206	590	1675
15	79	342	1061
22	126	584
30	189
42

A304718 as an upper right triangle

1	1	2	3	5	7	11	15	22	30	42
	1	2	5	9	18	29	51	79	126	189
		2	5	14	28	63	109	206	342	584
			3	9	28	62	150	293	590	1061
				5	18	63	150	380	787	1675
					7	29	109	293	787	1760
						11	51	206	590	1675
							15	79	342	1061
								22	126	584
									30	189
										42