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 A133965 Home primes whose homeliness is greater than 5. 12
 3389, 3761, 13367, 23251, 23761, 23929, 31193, 31397, 33797, 36389, 37199, 37463, 37547, 37607, 37643, 37717, 37853, 37907, 37951, 37967, 41863, 41887, 41941, 73331, 74759, 74771, 77269, 77711, 77773, 77797, 83383, 112909, 113779, 114773 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Number of terms < 10^n: 0, 0, 0, 2, 31, 341, 2695, .... LINKS Table of n, a(n) for n=1..34. EXAMPLE (118, 259, 737, 801, 1167, 3389) -> 3389, etc. MATHEMATICA lst = {}; f[n_] := FromDigits@ Flatten[ IntegerDigits@ Table[ #[[1]], {#[[2]]}] & /@ FactorInteger@n, 2]; h[n_] := NestWhileList[f@# &, n, !PrimeQ@# &, 1, 28]; Do[p = h[n][[ -1]]; If[ PrimeQ@p && p < 10^7 && p != n, Print[{n, p}]; AppendTo[lst, p]], {n, 2, 1000}]; d = 6 - 2; lsu = {}; Do[ If[ lst[[n]] == lst[[n + d]], AppendTo[ lsu, lst[[n]] ]], {n, 188004 - d - 1}]; Take[ Union@ lsu, 35] CROSSREFS Cf. A037274, A118756, A133957, A133959, A133961, A133963, A133967, A133969, A133971, A133973, A133975, A133977, A133979. Sequence in context: A116352 A153746 A243217 * A031611 A133966 A043671 Adjacent sequences: A133962 A133963 A133964 * A133966 A133967 A133968 KEYWORD nonn,base AUTHOR Robert G. Wilson v, Sep 30 2007 STATUS approved

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Last modified May 26 01:42 EDT 2024. Contains 372807 sequences. (Running on oeis4.)