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 A381234 #18 Mar 18 2025 07:21:19 %S A381234 2,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,4,1,1,2,1,1,1,1,7,1,1,2,1,1,2,1,2,1, %T A381234 8,1,1,1,1,18,1,1,1,1,1,1,1,1,1,825,2,1,2,2,1,1,1,1,1,1,1,1,1,1,2,2,1, %U A381234 2,1,1,76,1,1,1,1,2,1,1,3,2,1,1,1,1,1,1,29,1,1,1,1,2,1,1,2,1,1,1144,1,1,188,1,1,4571,1,1,62 %N A381234 RUNS transform of A000319. %C A381234 Based on _Tim Peters_'s data file in A000319. %H A381234 N. J. A. Sloane, <a href="/A381234/b381234.txt">Table of n, a(n) for n = 1..15593</a> %e A381234 A000319 begins 1, 1, 74, -1, -2, -3, 0, 1, 30, -2, -2, 29, 1, 4, -6, 0, 1, 2, -1, -1, -1, -1, -2, ... %e A381234 so the RUNS transform is 2, 1, 1, 1, 1, 1, 1, 2, 1, ... %e A381234 and A381235 starts 1, 74, -1, -2, -3, 0, 1, 30, -2, 29, ... %Y A381234 Cf. A000319, A381235. %K A381234 nonn %O A381234 1,1 %A A381234 _N. J. A. Sloane_, Mar 16 2025