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 A108022 #7 Apr 09 2013 11:38:04 %S A108022 2,3,19,160019,1049920019,1050730019,1051540019,12910750019, %T A108022 13960510019,14167870019,67252030019,67252840019,67318450019, %U A108022 196918450019,197968210019,568118770019,568119580019,938270140019,938477500019 %N A108022 a(1)=2; a(n) is the smallest prime such that a(n)-a(n-1) is a 4th power (>0). %C A108022 All members after 19 will end in '0019'. %C A108022 Also, for n > 3, a(n) - a(n - 1) = k^4, k is a multiple of 30. - _Zak Seidov_, Apr 09 2013 %e A108022 a(3)=19, for 19 +k^4 to be prime, k must be even and divisible by 5. 19+10^4=10019=43*233,but 19+20^4 is prime. %t A108022 Join[{2,3,19,p=160019},Table[x=30;While[!PrimeQ[q=p+x^4],x=x+30];p=q,{19}]] (* _Zak Seidov_, Apr 09 2013 *) %Y A108022 Cf. A073609, A076201. %K A108022 nonn %O A108022 1,1 %A A108022 _John L. Drost_, May 31 2005