A188992 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A188992 as a triangular array

										2
									4		4
								7		16		8
							12		49		64		16
						20		144		295		256		32
					33		400		1256		1793		1024		64
				54		1089		5304		10812		10871		4096		128
			88		2916		21952		68064		92532		65937		16384		256
		143		7744		89744		423606		852448		791388		399911		65536		512
	232		20449

A188992 as a square array

2	4	7	12	20	33	54	88	143	232
4	16	49	144	400	1089	2916	7744	20449
8	64	295	1256	5304	21952	89744
16	256	1793	10812	68064	423606
32	1024	10871	92532	852448
64	4096	65937	791388
128	16384	399911
256	65536
512

A188992 as an upper right triangle

2	4	7	12	20	33	54	88	143	232
	4	16	49	144	400	1089	2916	7744	20449
		8	64	295	1256	5304	21952	89744
			16	256	1793	10812	68064	423606
				32	1024	10871	92532	852448
					64	4096	65937	791388
						128	16384	399911
							256	65536
								512