A178300 - OEIS

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A178300 as a triangular array

											1
										1		3
									1		4		10
								1		5		15		35
							1		6		21		56		126
						1		7		28		84		210		462
					1		8		36		120		330		792		1716
				1		9		45		165		495		1287		3003		6435
			1		10		55		220		715		2002		5005		11440		24310
		1		11		66		286		1001		3003		8008		19448		43758		92378
	1		12		78		364		1365		4368		12376		31824		75582		167960		352716
1		13		91		455		1820		6188		18564		50388		125970		293930		646646		1352078

A178300 as a square array

1	1	1	1	1	1	1	1	1	1	1	1
3	4	5	6	7	8	9	10	11	12	13
10	15	21	28	36	45	55	66	78	91
35	56	84	120	165	220	286	364	455
126	210	330	495	715	1001	1365	1820
462	792	1287	2002	3003	4368	6188
1716	3003	5005	8008	12376	18564
6435	11440	19448	31824	50388
24310	43758	75582	125970
92378	167960	293930
352716	646646
1352078

A178300 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1
	3	4	5	6	7	8	9	10	11	12	13
		10	15	21	28	36	45	55	66	78	91
			35	56	84	120	165	220	286	364	455
				126	210	330	495	715	1001	1365	1820
					462	792	1287	2002	3003	4368	6188
						1716	3003	5005	8008	12376	18564
							6435	11440	19448	31824	50388
								24310	43758	75582	125970
									92378	167960	293930
										352716	646646
											1352078