This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A067907 #14 Mar 09 2025 10:35:42 %S A067907 2,3,5,7,31,79,137,197,2539,7583,119257883,7900521439, %T A067907 5715680753274209,454378599506401699,545254319407682039, %U A067907 556527288873434664371,961679155173295100033,12347176242987457664783 %N A067907 Primes of the form floor((6/5)^k). %H A067907 Charles R Greathouse IV, <a href="/A067907/b067907.txt">Table of n, a(n) for n = 1..43</a> %t A067907 Select[Floor[(6/5)^Range[500]],PrimeQ]//Union (* _Harvey P. Dale_, Mar 09 2025 *) %o A067907 (PARI) v=vector(43); i=0; for(n=1, 12629, if(ispseudoprime(t=floor((6/5)^n)), v[i++]=t)); v \\ _Charles R Greathouse IV_, Feb 17 2011 %K A067907 nonn %O A067907 1,1 %A A067907 _Benoit Cloitre_, Mar 03 2002