A225273 - OEIS

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A225273 as a triangular array

												2
											3		3
										4		6		4
									5		10		10		5
								6		15		19		14		6
							7		20		32		29		18		7
						8		27		45		50		38		22		8
					9		34		67		74		66		47		26		9
				10		42		88		111		99		82		56		30		10
			11		51		116		149		147		124		98		65		34		11
		12		61		145		197		201		183		149		114		74		38		12
	13		71		179		247		262

A225273 as a square array

2	3	4	5	6	7	8	9	10	11	12	13
3	6	10	15	20	27	34	42	51	61	71
4	10	19	32	45	67	88	116	145	179
5	14	29	50	74	111	149	197	247
6	18	38	66	99	147	201	262
7	22	47	82	124	183
8	26	56	98	149
9	30	65	114
10	34	74
11	38
12

A225273 as an upper right triangle

2	3	4	5	6	7	8	9	10	11	12	13
	3	6	10	15	20	27	34	42	51	61	71
		4	10	19	32	45	67	88	116	145	179
			5	14	29	50	74	111	149	197	247
				6	18	38	66	99	147	201	262
					7	22	47	82	124	183
						8	26	56	98	149
							9	30	65	114
								10	34	74
									11	38
										12