A193909 - OEIS

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A193909 as a triangular array

										1
									1		2
								3		6		8
							6		12		20		24
						11		22		40		64		80
					19		38		72		128		208		256
				32		64		124		232		416		672		832
			53		106		208		400		752		1344		2176		2688
		87		174		344		672		1296		2432		4352		7040		8704
	142		284		564		1112		2176		4192		7872		14080		22784

A193909 as a square array

1	1	3	6	11	19	32	53	87	142
2	6	12	22	38	64	106	174	284
8	20	40	72	124	208	344	564
24	64	128	232	400	672	1112
80	208	416	752	1296	2176
256	672	1344	2432	4192
832	2176	4352	7872
2688	7040	14080
8704	22784

A193909 as an upper right triangle

1	1	3	6	11	19	32	53	87	142
	2	6	12	22	38	64	106	174	284
		8	20	40	72	124	208	344	564
			24	64	128	232	400	672	1112
				80	208	416	752	1296	2176
					256	672	1344	2432	4192
						832	2176	4352	7872
							2688	7040	14080
								8704	22784