A084855 - OEIS

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A084855 as a triangular array

											11
										12		22
									13		23		33
								14		24		34		44
							15		25		35		45		55
						16		26		36		46		56		66
					17		27		37		47		57		67		77
				18		28		38		48		58		68		78		88
			19		29		39		49		59		69		79		89		99
		110		210		310		410		510		610		710		810		910		1010
	111		211		311		411		511		611		711		811		911		1011		1111

A084855 as a square array

11	12	13	14	15	16	17	18	19	110	111
22	23	24	25	26	27	28	29	210	211
33	34	35	36	37	38	39	310	311
44	45	46	47	48	49	410	411
55	56	57	58	59	510	511
66	67	68	69	610	611
77	78	79	710	711
88	89	810	811
99	910	911
1010	1011
1111

A084855 as an upper right triangle

11	12	13	14	15	16	17	18	19	110	111
	22	23	24	25	26	27	28	29	210	211
		33	34	35	36	37	38	39	310	311
			44	45	46	47	48	49	410	411
				55	56	57	58	59	510	511
					66	67	68	69	610	611
						77	78	79	710	711
							88	89	810	811
								99	910	911
									1010	1011
										1111