A231839 - OEIS

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A231839 as a triangular array

									4
								4		16
							16		50		64
						50		188		422		256
					144		760		4508		3823		1024
				422		3309		52411		111621		34350		4096
			1268		14666		678660		3477361		2836554		308419		16384
		3823		64607		8887871		124132900		241961326		71178861		2771101		65536
	11472		283479

A231839 as a square array

4	4	16	50	144	422	1268	3823	11472
16	50	188	760	3309	14666	64607	283479
64	422	4508	52411	678660	8887871
256	3823	111621	3477361	124132900
1024	34350	2836554	241961326
4096	308419	71178861
16384	2771101
65536

A231839 as an upper right triangle

4	4	16	50	144	422	1268	3823	11472
	16	50	188	760	3309	14666	64607	283479
		64	422	4508	52411	678660	8887871
			256	3823	111621	3477361	124132900
				1024	34350	2836554	241961326
					4096	308419	71178861
						16384	2771101
							65536