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 A263959 Number of decimal digits in A069151(n). 0
 1, 2, 4, 355, 499, 1171, 1543, 5719 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Subset of A227530 (Copeland-Erdős constant primes) corresponding to concatenation of a full (non-truncated) final prime. a(9) > 459970. - Eric W. Weisstein (according to Mark Rodenkirch as of Nov 21 2015) LINKS Eric Weisstein's World of Mathematics, Consecutive Number Sequences Eric Weisstein's World of Mathematics, Integer Sequence Primes Eric Weisstein's World of Mathematics, Smarandache-Wellin Prime MATHEMATICA Cases[FromDigits /@ Rest[FoldList[Join, {}, IntegerDigits[Prime[Range[10^3]]]]], p_?PrimeQ :> IntegerLength[p]] PROG (PARI) p=""; for(n=1, 1e4, p=concat(p, prime(n)); if(ispseudoprime( eval(p)), print1(#Str(p)", "))) \\ Altug Alkan, Oct 30 2015 CROSSREFS Cf. A019518, A046035, A069151. Cf. A227529 (Copeland-Erdős constant primes). Cf. A227530 (decimal digits in n-th Copeland-Erdős constant prime). Sequence in context: A012618 A012557 A012562 * A216024 A247220 A012753 Adjacent sequences: A263956 A263957 A263958 * A263960 A263961 A263962 KEYWORD nonn,base,more AUTHOR Eric W. Weisstein, Oct 30 2015 STATUS approved

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Last modified February 2 16:10 EST 2023. Contains 360023 sequences. (Running on oeis4.)