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Line 1: '''Aronson's sequence''' is a sequence of numbers that is defined to make the sentence "T is the first, fourth, eleventh, ... letter in this sentence, not counting spaces or commas" true. In [[Douglas Hofstadter]]'s book [[Metamagical Themas]], the sequence is credited to J. K. Aronson of Oxford, England; it is based on the observation that [[Ordinal number (linguistics)\|ordinal numbers]] in the English language always end in "th".<ref>{{citation\|title=Metamagical Themas: Questing For The Essence Of Mind And Pattern\|first=Douglas R.\|last=Hofstadter\|authorlink=Douglas Hofstadter\|publisher=Basic Books\|year=1996\|isbn=9780465045662\|page=44\|url=http://books.google.com/books?id=o8jzWF7rD6oC&pg=PA44}}.</ref> The Aronson's sequence is essentially an [[Autogram]] that describes itself.

Aronson's sequence: Difference between revisions