A168525 - OEIS

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A168525 as a triangular array

									19
								19		19
							19		146		19
						19		759		759		19
					19		3154		10374		3154		19
				19		11543		89398		89398		11543		19
			19		39210		615669		1394444		615669		39210		19
		19		127303		3747297		16267301		16267301		3747297		127303		19
	19		401858		21201472		160611806		302914330		160611806		21201472		401858		19

A168525 as a square array

19	19	19	19	19	19	19	19	19
19	146	759	3154	11543	39210	127303	401858
19	759	10374	89398	615669	3747297	21201472
19	3154	89398	1394444	16267301	160611806
19	11543	615669	16267301	302914330
19	39210	3747297	160611806
19	127303	21201472
19	401858
19

A168525 as an upper right triangle

19	19	19	19	19	19	19	19	19
	19	146	759	3154	11543	39210	127303	401858
		19	759	10374	89398	615669	3747297	21201472
			19	3154	89398	1394444	16267301	160611806
				19	11543	615669	16267301	302914330
					19	39210	3747297	160611806
						19	127303	21201472
							19	401858
								19