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 A088171 Numbers n such that the set S(n) = {k: k + reverse(k) = n} is not empty, at least one element of S(n) has the same number of digits as n and at least one element of S(n) has one digit less than n has. 2
 121, 1111, 11011, 12221, 110011, 121121, 1100011, 1112111, 1197801, 1208911, 1210121, 1211111, 1222221, 11000011, 11111111, 11988801, 12098911, 12100121, 12101111, 12211221, 110000011, 110121011, 111089011, 111101111, 111111011 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Subsequence of A067030. The most significant digit of all terms is 1. LINKS EXAMPLE 1111 is a term since S(1111) = {209, 308, 407, 506, 605, 704, 803, 902, 1010, 1100}. CROSSREFS Cf. A067030, A088169, A088170. Sequence in context: A329100 A208261 A036928 * A254970 A036308 A176770 Adjacent sequences:  A088168 A088169 A088170 * A088172 A088173 A088174 KEYWORD nonn,base AUTHOR Klaus Brockhaus, Sep 21 2003 STATUS approved

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Last modified May 16 18:07 EDT 2022. Contains 353719 sequences. (Running on oeis4.)