A260910 - OEIS

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A260910 as a triangular array

											-1
										1		3
									5		7		11
								11		17		23		29
							19		23		27		31		39
						29		49		59		79		89		109
					41		47		53		59		65		71		83
				55		69		83		97		111		125		139		153
			71		79		95		103		119		127		143		151		167
		89		107		143		161		179		197		233		251		269		287
	109		119		129		139

A260910 as a square array

-1	1	5	11	19	29	41	55	71	89	109
3	7	17	23	49	47	69	79	107	119
11	23	27	59	53	83	95	143	129
29	31	79	59	97	103	161	139
39	89	65	111	119	179
109	71	125	127	197
83	139	143	233
153	151	251
167	269
287

A260910 as an upper right triangle

-1	1	5	11	19	29	41	55	71	89	109
	3	7	17	23	49	47	69	79	107	119
		11	23	27	59	53	83	95	143	129
			29	31	79	59	97	103	161	139
				39	89	65	111	119	179
					109	71	125	127	197
						83	139	143	233
							153	151	251
								167	269
									287