A294783 - OEIS

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A294783 as a triangular array

											1
										1		1
									1		1		1
								1		2		2		1
							2		4		6		4		2
						3		9		15		15		9		3
					6		20		43		51		43		20		6
				11		48		116		175		175		116		48		11
			23		115		329		573		698		573		329		115		23
		47		286		918		1866		2626		2626		1866		918		286		47
	106		719		2609		5978		9656		11241		9656		5978		2609		719		106
235		1842

A294783 as a square array

1	1	1	1	2	3	6	11	23	47	106	235
1	1	2	4	9	20	48	115	286	719	1842
1	2	6	15	43	116	329	918	2609
1	4	15	51	175	573	1866	5978
2	9	43	175	698	2626	9656
3	20	116	573	2626	11241
6	48	329	1866	9656
11	115	918	5978
23	286	2609
47	719
106

A294783 as an upper right triangle

1	1	1	1	2	3	6	11	23	47	106	235
	1	1	2	4	9	20	48	115	286	719	1842
		1	2	6	15	43	116	329	918	2609
			1	4	15	51	175	573	1866	5978
				2	9	43	175	698	2626	9656
					3	20	116	573	2626	11241
						6	48	329	1866	9656
							11	115	918	5978
								23	286	2609
									47	719
										106