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 A281335 #5 Jan 20 2017 20:01:23 %S A281335 25,16,25,2312,16,7136,27,72646,25,4617,169,384,4119,3875,289,182585, %T A281335 128,556875,451,49,529,1012985,679,72420352,42752,585903,841,64,961, %U A281335 118375,1285,2944,179503,4624625,1369 %N A281335 a(n) is the smallest composite number having the same base-n digits (both type and quantity) as the primes and greater-than-one exponents in its factorization. %e A281335 In base 2: The digits of 25 (11001) are the same type and quantity as the total of the prime 5 (101) and its exponent 2 (10) in 25's factorization; 2 zeros, 3 ones. %e A281335 In base 26: The digits of 42752 (2,11,6,8) are the same type and quantity as the total of the prime 2 (2) and its exponent 8 (8) and the prime 167 (6,11) in 42752's factorization; 1 each of two, six, eight, eleven. %Y A281335 Cf. A273260, A281336. %K A281335 nonn,base %O A281335 2,1 %A A281335 _Hans Havermann_, Jan 20 2017