A299581 - OEIS

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A299581 as a triangular array

												1
											1		1
										1		1		1
									1		1		1		1
								1		2		10		2		1
							1		5		10		10		5		1
						1		9		27		19		27		9		1
					1		22		63		43		43		63		22		1
				1		45		115		126		172		126		115		45		1
			1		101		267		327		616		616		327		267		101		1
		1		218		569		860		1734		2597		1734		860		569		218		1
	1		477		1193		2401

A299581 as a square array

1	1	1	1	1	1	1	1	1	1	1	1
1	1	1	2	5	9	22	45	101	218	477
1	1	10	10	27	63	115	267	569	1193
1	2	10	19	43	126	327	860	2401
1	5	27	43	172	616	1734
1	9	63	126	616	2597
1	22	115	327	1734
1	45	267	860
1	101	569
1	218
1

A299581 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1
	1	1	1	2	5	9	22	45	101	218	477
		1	1	10	10	27	63	115	267	569	1193
			1	2	10	19	43	126	327	860	2401
				1	5	27	43	172	616	1734
					1	9	63	126	616	2597
						1	22	115	327	1734
							1	45	267	860
								1	101	569
									1	218
										1