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 A201022 #14 Feb 16 2025 08:33:16 %S A201022 29,67,79,83,97,149,163,167,179,181,197,199,229,233,241,263,337,373, %T A201022 419,421,433,461,491,499,613,617,631,641,661,719,733,761,811,881,883, %U A201022 919,941,971,991,1129,1163,1181,1229,1237,1291,1327,1361,1373,1381,1399,1423 %N A201022 Primes whose multiplicative digital root is 8. %C A201022 Complement of A201023 with respect to A034055. %H A201022 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MultiplicativeDigitalRoot.html">Multiplicative Digital Root</a> %e A201022 Prime 149 is in the sequence because 1*4*9=36, 3*6=18, 1*8=8. %Y A201022 Cf. A201023 (composite numbers whose multiplicative digital root is 8), A034055 (numbers whose multiplicative digital root is 8). %K A201022 nonn,base %O A201022 1,1 %A A201022 _Jaroslav Krizek_, Nov 25 2011