A118978 - OEIS

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A118978 as a triangular array

												2
											3		2
										4		6		2
									5		10		9		2
								6		15		20		12		2
							7		21		35		34		15		2
						8		28		56		70		52		18		2
					9		36		84		126		125		74		21		2
				10		45		120		210		252		205		100		24		2
			11		55		165		330		462		461		315		130		27		2
		12		66		220		495		792		924		786		460		164		30		2
	13		78		286		715		1287

A118978 as a square array

2	3	4	5	6	7	8	9	10	11	12	13
2	6	10	15	21	28	36	45	55	66	78
2	9	20	35	56	84	120	165	220	286
2	12	34	70	126	210	330	495	715
2	15	52	125	252	462	792	1287
2	18	74	205	461	924
2	21	100	315	786
2	24	130	460
2	27	164
2	30
2

A118978 as an upper right triangle

2	3	4	5	6	7	8	9	10	11	12	13
	2	6	10	15	21	28	36	45	55	66	78
		2	9	20	35	56	84	120	165	220	286
			2	12	34	70	126	210	330	495	715
				2	15	52	125	252	462	792	1287
					2	18	74	205	461	924
						2	21	100	315	786
							2	24	130	460
								2	27	164
									2	30
										2