A191448 - OEIS

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A191448 as a triangular array

										1
									3		2
								7		5		4
							15		11		9		6
						31		23		19		13		8
					63		47		39		27		17		10
				127		95		79		55		35		21		12
			255		191		159		111		71		43		25		14
		511		383		319		223		143		87		51		29		16
	1023		767		639		447		287		175		103		59		33		18
2047		1535		1279		895		575

A191448 as a square array

1	3	7	15	31	63	127	255	511	1023	2047
2	5	11	23	47	95	191	383	767	1535
4	9	19	39	79	159	319	639	1279
6	13	27	55	111	223	447	895
8	17	35	71	143	287	575
10	21	43	87	175
12	25	51	103
14	29	59
16	33
18

A191448 as an upper right triangle

1	3	7	15	31	63	127	255	511	1023	2047
	2	5	11	23	47	95	191	383	767	1535
		4	9	19	39	79	159	319	639	1279
			6	13	27	55	111	223	447	895
				8	17	35	71	143	287	575
					10	21	43	87	175
						12	25	51	103
							14	29	59
								16	33
									18