A050303 - OEIS

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A050303 as a triangular array

										1
									9		1
								45		9		1
							201		54		9		1
						735		246		54		9		1
					2517		981		255		54		9		1
				7785		3453		1026		255		54		9		1
			22857		11238		3699		1035		255		54		9		1
		63024		33930		12183		3744		1035		255		54		9		1
	166819		97038		37464		12429		3753		1035		255		54		9		1

A050303 as a square array

1	9	45	201	735	2517	7785	22857	63024	166819
1	9	54	246	981	3453	11238	33930	97038
1	9	54	255	1026	3699	12183	37464
1	9	54	255	1035	3744	12429
1	9	54	255	1035	3753
1	9	54	255	1035
1	9	54	255
1	9	54
1	9
1

A050303 as an upper right triangle

1	9	45	201	735	2517	7785	22857	63024	166819
	1	9	54	246	981	3453	11238	33930	97038
		1	9	54	255	1026	3699	12183	37464
			1	9	54	255	1035	3744	12429
				1	9	54	255	1035	3753
					1	9	54	255	1035
						1	9	54	255
							1	9	54
								1	9
									1