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 A053918 Numbers k such that k^2 contains only digits {2,3,5}. 2
 5, 15, 235, 485, 1885, 5765, 15885, 50235, 57665, 72335, 1798765, 15249765, 187703365, 179876492415, 159789024443333515 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Michael S. Branicky, Python program Author?, Source(txt) H. Mishima Squares consisted of 3 different digits PROG (Python) # see link for faster version def aupto(limit):   alst = []   for k in range(1, limit+1):     if set(str(k*k)) <= set("235"): alst.append(k)   return alst print(aupto(2*10**6)) # Michael S. Branicky, May 15 2021 CROSSREFS Cf. A053919. Sequence in context: A004130 A088869 A134715 * A053926 A216463 A213147 Adjacent sequences:  A053915 A053916 A053917 * A053919 A053920 A053921 KEYWORD nonn,base,more AUTHOR Patrick De Geest, Mar 15 2000 EXTENSIONS More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 03 2005 One more term from Mishima's webpage added by Max Alekseyev, Jun 17 2011 STATUS approved

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Last modified August 18 10:34 EDT 2022. Contains 356212 sequences. (Running on oeis4.)