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 A186778 #10 Sep 14 2019 14:58:27 %S A186778 9,14,21,24,33,40,55,65,119,133,253,319,341,377,403,481,629,697,731, %T A186778 779,799,817,893,1007,1081,1219,1357,1403,1541,1711,1769,1943,2059, %U A186778 2077,2117,2201,2263,2291,2407,2449,2573,2759,2923,3071,3293,3403,3589,3649,3737 %N A186778 Solutions n of the equation A064380(n)-A000010(n)=2 in integers n>=2. %C A186778 The defining equation has infinitely many solutions. %D A186778 V. S. Shevelev, Multiplicative functions in the Fermi-Dirac arithmetic, Izvestia Vuzov of the North-Caucasus region, Nature sciences 4 (1996), 28-43. %H A186778 Amiram Eldar, <a href="/A186778/b186778.txt">Table of n, a(n) for n = 1..420</a> %Y A186778 Cf. A000010, A064380, A176472, A176509, A186777. %K A186778 nonn %O A186778 1,1 %A A186778 _Vladimir Shevelev_, Feb 26 2011 %E A186778 More terms from _Amiram Eldar_, Sep 14 2019