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 A236208 #23 Nov 27 2023 00:20:57 %S A236208 1,3,7,9,13,17,19,21,23,27,29,31,37,39,41,43,47,49,51,53,57,59,61,63, %T A236208 67,69,71,73,79,81,83,87,89,91,93,97,101,103,107,109,111,113,117,119, %U A236208 123,127,129,131,133,137,139,141,147,149,151,153,157,159,161,163 %N A236208 Numbers not divisible by 2, 5 or 11. %C A236208 Numbers coprime to 110. The asymptotic density of this sequence is 4/11. - _Amiram Eldar_, Oct 23 2020 %H A236208 Alois P. Heinz, <a href="/A236208/b236208.txt">Table of n, a(n) for n = 1..1000</a> %H A236208 <a href="/index/Rec#order_37">Index entries for linear recurrences with constant coefficients</a>, signature (2, -1, 0, 0, -1, 2, -1, 0, 0, -1, 2, -1, 0, 0, -1, 2, -1, 0, 0, -1, 2, -1, 0, 0, -1, 2, -1, 0, 0, -1, 2, -1, 0, 0, -1, 2, -1). %F A236208 G.f.: (x^36 +x^35 +2*x^34 -2*x^33 +2*x^32 +x^31 -x^30 +2*x^29 -2*x^28 +4*x^27 -x^26 -x^25 +6*x^24 -6*x^23 +4*x^22 -x^21 +x^20 +4*x^19 -6*x^18 +4*x^17 +x^16 -x^15 +4*x^14 -6*x^13 +6*x^12 -x^11 -x^10 +4*x^9 -2*x^8 +2*x^7 -x^6 +x^5 +2*x^4 -2*x^3 +2*x^2 +x +1)*x / ((x+1) *(x^2+1) *(x^4-x^3+x^2-x+1) *(x^4+1) *(x^8-x^6+x^4-x^2+1) *(x^16-x^12+x^8-x^4+1) *(x-1)^2). - _Alois P. Heinz_, Feb 13 2014 %t A236208 Select[Range[200], CoprimeQ[110, #] &] (* _Amiram Eldar_, Oct 23 2020 *) %Y A236208 Cf. A007775, A235583, A236204. %K A236208 nonn,easy %O A236208 1,2 %A A236208 _Oleg P. Kirillov_, Jan 20 2014