A191740 - OEIS

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A191740 as a triangular array

											1
										3		2
									6		5		4
								11		10		8		7
							20		18		15		13		9
						35		31		26		23		16		12
					60		53		45		40		28		21		14
				101		90		76		68		48		36		25		17
			170		151		128		115		81		61		43		30		19
		285		253		215		193		136		103		73		51		33		22
	476		423		360		323		228		173		123

A191740 as a square array

1	3	6	11	20	35	60	101	170	285	476
2	5	10	18	31	53	90	151	253	423
4	8	15	26	45	76	128	215	360
7	13	23	40	68	115	193	323
9	16	28	48	81	136	228
12	21	36	61	103	173
14	25	43	73	123
17	30	51
19	33
22

A191740 as an upper right triangle

1	3	6	11	20	35	60	101	170	285	476
	2	5	10	18	31	53	90	151	253	423
		4	8	15	26	45	76	128	215	360
			7	13	23	40	68	115	193	323
				9	16	28	48	81	136	228
					12	21	36	61	103	173
						14	25	43	73	123
							17	30	51
								19	33
									22