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 A114073 phi(n) + n is a square. 1
 5, 12, 13, 41, 44, 48, 61, 68, 108, 113, 125, 172, 176, 181, 192, 252, 268, 272, 313, 385, 421, 432, 452, 524, 613, 657, 684, 688, 704, 761, 768, 772, 825, 964, 972, 1008, 1013, 1072, 1088, 1201, 1301, 1332, 1412, 1728, 1729, 1741, 1808, 1861, 2092 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..49. EXAMPLE phi(41) + 41 = 81 = 9^2. PROG (PARI) isok(n) = issquare(eulerphi(n) + n); \\ Michel Marcus, Jan 09 2014 CROSSREFS Cf. A121048, supersequence of A114072. Sequence in context: A110134 A014156 A367355 * A286242 A360137 A185871 Adjacent sequences: A114070 A114071 A114072 * A114074 A114075 A114076 KEYWORD nonn AUTHOR Giovanni Resta, Feb 13 2006 STATUS approved

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Last modified December 1 17:35 EST 2023. Contains 367500 sequences. (Running on oeis4.)