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A369132
Numbers whose "Look and Say" description (cf. A045918) is a substring of the number.
2
22, 333, 4444, 22333, 33322, 55555, 224444, 333000, 333111, 333222, 333444, 333555, 333666, 333777, 333888, 333999, 444422, 666666, 2255555, 3334444, 4444333, 5555522, 7777777, 22333000, 22333111, 22333222, 22333444, 22333555, 22333666, 22333777, 22333888, 22333999, 22666666, 33322333
OFFSET
1,1
COMMENTS
This sequence is infinite as it contains A002275(A002275(k)) for any k > 1. - Rémy Sigrist, Jan 18 2024
LINKS
EXAMPLE
22 is a term as A045918(22) = 22, and "22" contains "22" as a substring.
333 is a term as A045918(333) = 33, and "333" contains "33" as a substring.
33322333 is a term as A045918(33322333) = 332233, and "33322333 " contains "332233" as a substring.
999999999 is a term as A045918(999999999) = 99, and "999999999" contains "99" as a substring. It is likely this is the last possible term.
CROSSREFS
Cf. A002275, A005150, A045918, A369092 (number is a substring of its description).
Sequence in context: A309654 A019854 A025936 * A158849 A048376 A053422
KEYWORD
nonn,base
AUTHOR
Scott R. Shannon, Jan 14 2024
STATUS
approved