A124727 - OEIS

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A124727 as a triangular array

												1
											2		2
										3		5		3
									4		9		10		4
								5		14		22		17		5
							6		20		40		45		26		6
						7		27		65		95		81		37		7
					8		35		98		175		196		133		50		8
				9		44		140		294		406		364		204		65		9
			10		54		192		462		756		840		624		297		82		10
		11		65		255		690		1302		1722		1590		1005		415		101		11
	12		77

A124727 as a square array

1	2	3	4	5	6	7	8	9	10	11	12
2	5	9	14	20	27	35	44	54	65	77
3	10	22	40	65	98	140	192	255
4	17	45	95	175	294	462	690
5	26	81	196	406	756	1302
6	37	133	364	840	1722
7	50	204	624	1590
8	65	297	1005
9	82	415
10	101
11

A124727 as an upper right triangle

1	2	3	4	5	6	7	8	9	10	11	12
	2	5	9	14	20	27	35	44	54	65	77
		3	10	22	40	65	98	140	192	255
			4	17	45	95	175	294	462	690
				5	26	81	196	406	756	1302
					6	37	133	364	840	1722
						7	50	204	624	1590
							8	65	297	1005
								9	82	415
									10	101
										11