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 A208272 #17 Nov 01 2022 15:28:38 %S A208272 2,23,29,127,211,223,227,229,233,239,241,251,257,263,269,271,277,281, %T A208272 283,293,421,521,523,727,821,823,827,829,929,1021,1123,1129,1201,1213, %U A208272 1217,1223,1229,1231,1237,1249,1259,1277,1279,1283,1289,1291,1297,1321,1327 %N A208272 Primes containing a digit 2. %C A208272 Supersequence of A045708. Subsequence of A011532. %C A208272 Complement of A208273 with respect to A011532. %C A208272 Also primes p whose divisors d_k (k = 1, 2; 1 = d_1 < d_2 = p) contain digit equal to number k. %C A208272 Complement of A208275 with respect to A208274. %C A208272 Primes with at least one digit equal to 2. - _Harvey P. Dale_, Aug 29 2012 %H A208272 Reinhard Zumkeller, <a href="/A208272/b208272.txt">Table of n, a(n) for n = 1..10000</a> %F A208272 a(n) ~ n log n. - _Charles R Greathouse IV_, Nov 01 2022 %t A208272 Select[Range[2000], PrimeQ[#] && MemberQ[IntegerDigits[#], 2] &] (* _T. D. Noe_, Mar 06 2012 *) %t A208272 Select[Prime[Range[300]],DigitCount[#,10,2]>0&] (* _Harvey P. Dale_, Aug 29 2012 *) %Y A208272 Cf. A208273 (composites containing a digit 2), A011532 (numbers containing a digit 2). %K A208272 nonn,base %O A208272 1,1 %A A208272 _Jaroslav Krizek_, Mar 04 2012