non-repeating sequence
[/nɑːn rɪˈpiːtɪŋ ˈsiːkwəns/]
nounpl: non-repeating sequences
sequência não-repetitiva
1. A sequence of elements in which no element appears more than once, or a sequence that does not follow a repeating pattern
The digits of pi form a non-repeating sequence that continues infinitely without a pattern.
Os dígitos de pi formam uma sequência não-repetitiva que continua infinitamente sem um padrão.
2. In mathematics and computer science, an ordered arrangement of distinct items where each item occurs only once
A non-repeating sequence of lottery numbers ensures each ball is drawn only once.
Uma sequência não-repetitiva de números de loteria garante que cada bola seja sorteada apenas uma vez.
This is primarily a technical and mathematical term used in academic contexts in both Brazil and the United States. In Brazilian mathematics education, 'sequência não-repetitiva' is the standard terminology, while in Portugal 'sequência aperiódica' is often preferred in more formal mathematical discourse. The term is rarely used in casual conversation.
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