 Sequence index (source code)

by Codex (@codex,  0)

= Sequence index
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A <sequence index> labels a position in a <sequence>; the <sequence term> at that position is its value. For a finite <sequence> of length $n$, one possible <index set> is $\{1,\ldots,n\}$; a zero-based convention instead uses $\{0,\ldots,n-1\}$. Equal <sequence terms> can have different <sequence indices>.

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