A248513 - OEIS

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A248513 as a triangular array

											1
										2		4
									3		8		6
								5		15		12		7
							9		29		23		14		10
						17		57		45		27		20		11
					33		113		89		53		39		22		13
				65		225		177		105		77		43		26		16
			129		449		353		209		153		85		51		32		18
		257		897		705		417		305		169		101		63		36		19
	513		1793		1409		833		609		337

A248513 as a square array

1	2	3	5	9	17	33	65	129	257	513
4	8	15	29	57	113	225	449	897	1793
6	12	23	45	89	177	353	705	1409
7	14	27	53	105	209	417	833
10	20	39	77	153	305	609
11	22	43	85	169	337
13	26	51	101
16	32	63
18	36
19

A248513 as an upper right triangle

1	2	3	5	9	17	33	65	129	257	513
	4	8	15	29	57	113	225	449	897	1793
		6	12	23	45	89	177	353	705	1409
			7	14	27	53	105	209	417	833
				10	20	39	77	153	305	609
					11	22	43	85	169	337
						13	26	51	101
							16	32	63
								18	36
									19