A266470 - OEIS

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A266470 as a triangular array

												2
											2		3
										2		4		4
									2		5		7		5
								2		6		12		12		6
							2		7		19		29		19		7
						2		8		28		66		67		29		8
					2		9		39		137		232		147		42		9
				2		10		52		261		735		794		303		59		10
			2		11		67		463		2090		4074		2574		590		80		11
		2		12		84		775		5371		18808		22128		7797		1090		106		12
	2		13		103

A266470 as a square array

2	2	2	2	2	2	2	2	2	2	2	2
3	4	5	6	7	8	9	10	11	12	13
4	7	12	19	28	39	52	67	84	103
5	12	29	66	137	261	463	775
6	19	67	232	735	2090	5371
7	29	147	794	4074	18808
8	42	303	2574	22128
9	59	590	7797
10	80	1090
11	106
12

A266470 as an upper right triangle

2	2	2	2	2	2	2	2	2	2	2	2
	3	4	5	6	7	8	9	10	11	12	13
		4	7	12	19	28	39	52	67	84	103
			5	12	29	66	137	261	463	775
				6	19	67	232	735	2090	5371
					7	29	147	794	4074	18808
						8	42	303	2574	22128
							9	59	590	7797
								10	80	1090
									11	106
										12