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 A210582 #32 Sep 08 2022 08:46:01 %S A210582 13,19,23,26,29,39,46,49,59,69,79,89,103,109,127,133,163,193,197,199, %T A210582 203,206,209,214,218,233,234,236,247,254,258,263,266,274,293,294,296, %U A210582 298,299,309,367,399,406,409,417,428,436,466,468,487,496,499,509,537,599,609,638,657,678,699,709,799,809,899 %N A210582 Numbers whose first digit is the remainder of their division by the last digit (in base 10). %C A210582 This is a restricted or simplified version of the definition of modest numbers A054986. %H A210582 Reinhard Zumkeller, <a href="/A210582/b210582.txt">Table of n, a(n) for n = 1..10000</a> %H A210582 E. Angelini, <a href="http://www.cetteadressecomportecinquantesignes.com/NotModest.htm">Not Modest</a>, Mar 22 2012 %H A210582 E. Angelini, <a href="/A210582/a210582.pdf">Not modest</a> [Cached copy, with permission] %F A210582 a(n) mod A010879(a(n)) = A000030(a(n)). [_Reinhard Zumkeller_, Mar 26 2011] %o A210582 (PARI) is_nm( x )=x%10 && x%(x%10)==x\10^(#Str(x)-1) %o A210582 for(n=1,999,is_nm(n)&print1(n",")) %o A210582 (Haskell) %o A210582 a210582 n = a210582_list !! (n-1) %o A210582 a210582_list = filter (\x -> mod x (a010879 x) == a000030 x) a067251_list %o A210582 -- _Reinhard Zumkeller_, Mar 26 2012 %o A210582 (Magma) [ n: n in [1..1002] | not IsZero(d[1]) and n mod d[1] eq d[#d] where d is Intseq(n) ]; // _Bruno Berselli_, Mar 26 2012 %Y A210582 Cf. A054986, A178158. %Y A210582 A subsequence of A067251, disjoint with A034709. %K A210582 nonn,base %O A210582 1,1 %A A210582 _Eric Angelini_ and _M. F. Hasler_, Mar 22 2012 %E A210582 Edited by _M. F. Hasler_, Jan 14 2014