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 A074896 Squares written backwards and sorted, duplicates removed. 2
 1, 4, 9, 18, 46, 52, 61, 63, 94, 121, 144, 148, 163, 169, 423, 441, 484, 487, 522, 526, 652, 675, 676, 691, 925, 927, 961, 982, 1042, 1062, 1089, 1251, 1273, 1297, 1405, 1426, 1656, 1674, 1828, 1843, 1861, 4032, 4069, 4072, 4201, 4264, 4276, 4441, 4477 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS David A. Corneth, Table of n, a(n) for n = 1..10000 EXAMPLE 163 is in the sequence as it is 19^2 = 361 written backwards. - David A. Corneth, Aug 06 2022 PROG (PARI) uptoqdigits(n) = {my(res = List()); forstep(i = 1, sqrtint(10^n), [1, 1, 1, 1, 1, 1, 1, 1, 2], listput(res, fromdigits(Vecrev(digits(i^2))))); Set(res)} \\ David A. Corneth, Aug 06 2022 CROSSREFS Cf. A002942. Sequence in context: A352667 A229072 A261983 * A015713 A049198 A146303 Adjacent sequences: A074893 A074894 A074895 * A074897 A074898 A074899 KEYWORD nonn,easy,base AUTHOR Jason Earls, Sep 14 2002 STATUS approved

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Last modified August 7 22:54 EDT 2024. Contains 375018 sequences. (Running on oeis4.)