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 A243462 Numbers n such that prime(n) and phi(n) have the same decimal digits. 1
 51, 279, 326, 798, 810, 977, 1009, 1019, 1360, 1369, 1561, 1687, 1711, 1735, 1979, 2272, 2505, 2970, 3502, 4413, 4690, 5277, 5283, 5837, 6151, 6645, 6769, 6943, 7633, 8198, 8313, 8318, 10391, 10877, 11321, 15079, 16636, 17961, 18653, 18948, 19143, 20070 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..42. EXAMPLE 51 is in the sequence because prime(51) = 233 and phi(51) = 32. 20070 is in the sequence because prime(20070) = 225583 and phi(20070) = 5328. PROG (PARI) s=[]; for(n=1, 30000, if(vecsort(digits(prime(n)), , 8) == vecsort(digits(eulerphi(n)), , 8), s=concat(s, n))); s CROSSREFS Cf. A000010, A000040, A243463. Sequence in context: A204717 A253921 A204956 * A251351 A251344 A245362 Adjacent sequences: A243459 A243460 A243461 * A243463 A243464 A243465 KEYWORD nonn,base AUTHOR Colin Barker, Jun 05 2014 STATUS approved

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Last modified June 4 03:55 EDT 2023. Contains 363118 sequences. (Running on oeis4.)