A075196 - OEIS

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A075196 as a triangular array

											1
										2		2
									3		6		3
								4		12		14		5
							5		20		38		33		7
						6		30		80		117		70		11
					7		42		145		305		330		149		15
				8		56		238		660		1072		906		298		22
			9		72		364		1260		2777		3622		2367		591		30
		10		90		528		2198		6174		11160		11676		6027		1132		42
	11		110		735		3582		12292		28784		42805		36450		14873		2139		56

A075196 as a square array

1	2	3	4	5	6	7	8	9	10	11
2	6	12	20	30	42	56	72	90	110
3	14	38	80	145	238	364	528	735
5	33	117	305	660	1260	2198	3582
7	70	330	1072	2777	6174	12292
11	149	906	3622	11160	28784
15	298	2367	11676	42805
22	591	6027	36450
30	1132	14873
42	2139
56

A075196 as an upper right triangle

1	2	3	4	5	6	7	8	9	10	11
	2	6	12	20	30	42	56	72	90	110
		3	14	38	80	145	238	364	528	735
			5	33	117	305	660	1260	2198	3582
				7	70	330	1072	2777	6174	12292
					11	149	906	3622	11160	28784
						15	298	2367	11676	42805
							22	591	6027	36450
								30	1132	14873
									42	2139
										56