A084854 - OEIS

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A084854 as a triangular array

											11
										21		22
									31		32		33
								41		42		43		44
							51		52		53		54		55
						61		62		63		64		65		66
					71		72		73		74		75		76		77
				81		82		83		84		85		86		87		88
			91		92		93		94		95		96		97		98		99
		101		102		103		104		105		106		107		108		109		1010
	111		112		113		114		115		116		117		118		119		1110		1111

A084854 as a square array

11	21	31	41	51	61	71	81	91	101	111
22	32	42	52	62	72	82	92	102	112
33	43	53	63	73	83	93	103	113
44	54	64	74	84	94	104	114
55	65	75	85	95	105	115
66	76	86	96	106	116
77	87	97	107	117
88	98	108	118
99	109	119
1010	1110
1111

A084854 as an upper right triangle

11	21	31	41	51	61	71	81	91	101	111
	22	32	42	52	62	72	82	92	102	112
		33	43	53	63	73	83	93	103	113
			44	54	64	74	84	94	104	114
				55	65	75	85	95	105	115
					66	76	86	96	106	116
						77	87	97	107	117
							88	98	108	118
								99	109	119
									1010	1110
										1111