A257257 - OEIS

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A257257 as a triangular array

												2
											2		6
										2		6		14
									2		6		16		24
								2		6		14		28		44
							2		6		16		26		48		60
						2		6		14		28		48		60		84
					2		6		16		24		52		64		86		122
				2		6		14		26		48		66		94		126		142
			2		6		16		28		48		62		86		132		144		176
		2		6		14		26		44		60		94		120		146		166		216
	2		6		16		24		48		64		86		132		142		180		234		252

A257257 as a square array

2	2	2	2	2	2	2	2	2	2	2	2
6	6	6	6	6	6	6	6	6	6	6
14	16	14	16	14	16	14	16	14	16
24	28	26	28	24	26	28	26	24
44	48	48	52	48	48	44	48
60	60	64	66	62	60	64
84	86	94	86	94	86
122	126	132	120	132
142	144	146	142
176	166	180
216	234
252

A257257 as an upper right triangle

2	2	2	2	2	2	2	2	2	2	2	2
	6	6	6	6	6	6	6	6	6	6	6
		14	16	14	16	14	16	14	16	14	16
			24	28	26	28	24	26	28	26	24
				44	48	48	52	48	48	44	48
					60	60	64	66	62	60	64
						84	86	94	86	94	86
							122	126	132	120	132
								142	144	146	142
									176	166	180
										216	234
											252