A081118 - OEIS

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A081118 as a triangular array

										1
									3		5
								7		11		13
							15		23		27		29
						31		47		55		59		61
					63		95		111		119		123		125
				127		191		223		239		247		251		253
			255		383		447		479		495		503		507		509
		511		767		895		959		991		1007		1015		1019		1021
	1023		1535		1791		1919		1983		2015		2031		2039		2043

A081118 as a square array

1	3	7	15	31	63	127	255	511	1023
5	11	23	47	95	191	383	767	1535
13	27	55	111	223	447	895	1791
29	59	119	239	479	959	1919
61	123	247	495	991	1983
125	251	503	1007	2015
253	507	1015	2031
509	1019	2039
1021	2043

A081118 as an upper right triangle

1	3	7	15	31	63	127	255	511	1023
	5	11	23	47	95	191	383	767	1535
		13	27	55	111	223	447	895	1791
			29	59	119	239	479	959	1919
				61	123	247	495	991	1983
					125	251	503	1007	2015
						253	507	1015	2031
							509	1019	2039
								1021	2043