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 A074675 #17 Jan 14 2020 13:14:27 %S A074675 103,107,109,127,137,139,149,157,163,167,173,179,193,197,239,241,251, %T A074675 257,263,269,271,281,283,293,307,317,347,349,359,367,379,389,397,401, %U A074675 409,419,421,431,439,457,461,463,467,479,487,491,503,509,521,523,541 %N A074675 Three-digit distinct-digit primes. %C A074675 There are exactly 97 three-digit primes with all distinct digits, so the sequence is finite. %H A074675 Nathaniel Johnston, <a href="/A074675/b074675.txt">Table of n, a(n) for n = 1..97</a> (full sequence) %e A074675 a(1)=103 and a(97)=983 because these are the first and the last three-digit primes with all distinct digits. %t A074675 Select[Range[103, 983, 2], Length[Union[IntegerDigits[ # ]]]==3&&PrimeQ[ # ]&] %t A074675 Select[Prime[Range[26,168]],Length[Union[IntegerDigits[#]]]==3&] (* _Harvey P. Dale_, Jan 14 2020 *) %Y A074675 The first differences are in A074676. 4-digit distinct-digit primes are in A074673, see also A074674. 5-digit distinct-digit primes are in A074671, see also A074672. 6-digit distinct-digit primes are in A074669, see also A074670. 7-digit distinct-digit primes are in A074667, see also A074668. 8-digit distinct-digit primes are in A074665, see also A074666. %K A074675 fini,full,nonn,base %O A074675 1,1 %A A074675 _Zak Seidov_, Aug 30 2002