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 A378024 #20 Dec 01 2024 11:40:04 %S A378024 1913268348854,11788,1557,126357,145,1038,1757,116,153,10,11,12,13,14, %T A378024 15,16,17,18,19,10,21,11,23,12,25,13,27,14,29,10,31,16,11,17,35,12,37, %U A378024 19,13,10,41,14,43,11,15,23,47,12,49,10,17,13,53,18,11,14,19,29,59,10,61 %N A378024 Smallest k >= 10 whose decimal representation read in base (n+10) is a multiple of k. %C A378024 This is a variation of A139285 that has terms beyond n=10. %e A378024 a(5)=145 because 145 read in base 15 is 1*15^2+4*15+5=290 = 2*145 and no other number below 145 has this property except for the trivial values < 10. %o A378024 (PARI) a(n) = my(k=10); while(fromdigits(digits(k), n+10) % k, k++); k; \\ _Michel Marcus_, Nov 16 2024 %Y A378024 Cf. A139285. %K A378024 base,nonn %O A378024 1,1 %A A378024 _Sergio Pimentel_, Nov 14 2024 %E A378024 More terms from _Michel Marcus_, Nov 16 2024