A145599 - OEIS

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A145599 as a triangular array

										1
									5		5
								15		35		15
							35		140		140		35
						70		420		720		420		70
					126		1050		2700		2700		1050		126
				210		2310		8250		12375		8250		2310		210
			330		4620		21780		45375		45375		21780		4620		330
		495		8580		51480		141570		196625		141570		51480		8580		495
	715		15015

A145599 as a square array

1	5	15	35	70	126	210	330	495	715
5	35	140	420	1050	2310	4620	8580	15015
15	140	720	2700	8250	21780	51480
35	420	2700	12375	45375	141570
70	1050	8250	45375	196625
126	2310	21780	141570
210	4620	51480
330	8580
495

A145599 as an upper right triangle

1	5	15	35	70	126	210	330	495	715
	5	35	140	420	1050	2310	4620	8580	15015
		15	140	720	2700	8250	21780	51480
			35	420	2700	12375	45375	141570
				70	1050	8250	45375	196625
					126	2310	21780	141570
						210	4620	51480
							330	8580
								495