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 A119354 #13 Jul 30 2025 09:46:30 %S A119354 0,1,2,7,14,23,139,47,485,319,989,239,5927,23319,27719,13679,57119, %T A119354 159119,746927,500399,1627919,2585519,3694397,7305479,17067599, %U A119354 82265039,384812999,41126399,61483967,586370399,589188599,2196179999,1770310079 %N A119354 Smallest number which does not use digit n-1 written in base n, but does use digit b-1 written in base b for any 1<b<n. %F A119354 A119352(a(n)) = n and A119352(m) != n for m < a(n). - _Reinhard Zumkeller_, Apr 12 2015 %o A119354 (Haskell) %o A119354 import Data.List (elemIndex); import Data.Maybe (fromJust) %o A119354 a119354 = fromJust . (`elemIndex` a119352_list) %o A119354 -- _Reinhard Zumkeller_, Apr 12 2015 %Y A119354 Cf. A106372, A119352. %K A119354 base,more,nonn %O A119354 2,3 %A A119354 _Franklin T. Adams-Watters_, May 15 2006 %E A119354 More terms from _R. J. Mathar_, Sep 07 2007 %E A119354 a(21)-a(27) by _Reinhard Zumkeller_, Apr 12 2015 %E A119354 a(28)-a(34) from _Amiram Eldar_, Jul 29 2025