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 A084195 #9 Aug 12 2013 07:59:00 %S A084195 14,58,94,122,166,274,278,302,346,382,386,454,458,526,562,566,634,674, %T A084195 706,746,818,922,926,1114,1154,1198,1202,1282,1286,1466,1514,1594, %U A084195 1642,1646,1774,1822,1954,2038,2078,2102,2182,2186,2218,2258,2326,2362 %N A084195 Even numbers n such that the sum of the digits is prime, n/2 is prime and the sum of the digits of n/2 is also prime. %e A084195 5+8=13 for n=58 and 2+9=11 for n/2=29=prime. %e A084195 1+2+2=5 for n=122 and 6+1=7 for n/2=61=prime. %e A084195 2+7+8=17 for n=278 and 1+3+9=13 for n/2=139=prime. %o A084195 (PARI) isok(n) = {if (n % 2, return (0)); dn = digits(n); dh = digits(n/2); isprime(n/2) && isprime(sum(i=1, #dn, dn[i])) && isprime(sum(i=1, #dh, dh[i]));} \\ _Michel Marcus_, Aug 12 2013 %Y A084195 Subsequence of A084194. %K A084195 base,nonn %O A084195 1,1 %A A084195 _Patrick Capelle_, Jun 20 2003 %E A084195 More terms from _Michel Marcus_, Aug 12 2013