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 A129750 #16 Mar 27 2024 09:00:16 %S A129750 1,2,2,6,2,4,2,6,6,8,6,6,2,4,4,6,8,6,6,2,6,6,6,2,6,2,4,2,6,4,6,6,2,0, %T A129750 8,6,4,4,4,6,8,0,2,4,2,8,2,4,2,6,6,8,0,6,4,6,8,6,6,2,0,4,6,2,4,6,6,0, %U A129750 2,6,6,2,4,6,6,6,2,6,8,0,8,0,2,6,6,6,2,6,2,4,2,2,6,8,6,6,8,2,2,6,0,4,6,8,6 %N A129750 Absolute difference of final digits of consecutive primes. %H A129750 Jason Yuen, <a href="/A129750/b129750.txt">Table of n, a(n) for n = 1..10000</a> %t A129750 f[n_] := Abs[Mod[Prime[n + 1], 10] - Mod[Prime[n], 10]]; Array[f, 105] (* _Ray Chandler_, Jun 12 2007 *) %Y A129750 Cf. A007652. %K A129750 base,easy,nonn %O A129750 1,2 %A A129750 _Giovanni Teofilatto_, Jun 02 2007 %E A129750 Corrected and extended by _Ray Chandler_, Jun 12 2007