A049751 - OEIS

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A049751 as a triangular array

											0
										4		4
									6		6		6
								10		10		10		10
							18		14		10		14		18
						26		22		18		18		22		26
					38		30		22		22		22		30		38
				46		42		34		26		26		34		42		46
			62		50		42		38		34		38		42		50		62
		78		70		54		46		46		46		46		54		70		78
	98		82		70		58		50		50		50		58		70		82		98

A049751 as a square array

0	4	6	10	18	26	38	46	62	78	98
4	6	10	14	22	30	42	50	70	82
6	10	10	18	22	34	42	54	70
10	14	18	22	26	38	46	58
18	22	22	26	34	46	50
26	30	34	38	46	50
38	42	42	46	50
46	50	54	58
62	70	70
78	82
98

A049751 as an upper right triangle

0	4	6	10	18	26	38	46	62	78	98
	4	6	10	14	22	30	42	50	70	82
		6	10	10	18	22	34	42	54	70
			10	14	18	22	26	38	46	58
				18	22	22	26	34	46	50
					26	30	34	38	46	50
						38	42	42	46	50
							46	50	54	58
								62	70	70
									78	82
										98