A217954 - OEIS

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A217954 as a triangular array

										4
									4		16
								4		16		64
							4		16		50		256
						4		16		50		144		1024
					4		16		50		130		422		4096
				4		16		50		130		310		1268		16384
			4		16		50		130		296		736		3823		65536
		4		16		50		130		296		624		1821		11472		262144
	4		16		50		130		296		610		1289		4673		34350		1048576
4		16

A217954 as a square array

4	4	4	4	4	4	4	4	4	4	4
16	16	16	16	16	16	16	16	16	16
64	50	50	50	50	50	50	50
256	144	130	130	130	130	130
1024	422	310	296	296	296
4096	1268	736	624	610
16384	3823	1821	1289
65536	11472	4673
262144	34350
1048576

A217954 as an upper right triangle

4	4	4	4	4	4	4	4	4	4	4
	16	16	16	16	16	16	16	16	16	16
		64	50	50	50	50	50	50	50
			256	144	130	130	130	130	130
				1024	422	310	296	296	296
					4096	1268	736	624	610
						16384	3823	1821	1289
							65536	11472	4673
								262144	34350
									1048576