A147293 - OEIS

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A147293 as a triangular array

										1
									1		2
								2		2		5
							4		4		5		13
						8		8		10		13		34
					16		16		20		26		34		89
				32		32		40		52		68		89		233
			64		64		80		104		136		178		233		610
		128		128		160		208		272		356		466		610		1597
	256		256		320		416		544		712		932		1220		1597		4181

A147293 as a square array

1	1	2	4	8	16	32	64	128	256
2	2	4	8	16	32	64	128	256
5	5	10	20	40	80	160	320
13	13	26	52	104	208	416
34	34	68	136	272	544
89	89	178	356	712
233	233	466	932
610	610	1220
1597	1597
4181

A147293 as an upper right triangle

1	1	2	4	8	16	32	64	128	256
	2	2	4	8	16	32	64	128	256
		5	5	10	20	40	80	160	320
			13	13	26	52	104	208	416
				34	34	68	136	272	544
					89	89	178	356	712
						233	233	466	932
							610	610	1220
								1597	1597
									4181