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 A188222 #16 Jan 03 2025 02:16:28 %S A188222 1,2,3,5,6,7,9,10,11,13,14,15,17,18,19,20,22,23,24,26,27,28,30,31,32, %T A188222 34,35,36,37,39,40,41,43,44,45,47,48,49,51,52,53,54,56,57,58,60,61,62, %U A188222 64,65,66,68,69,70,71,73,74,75,77,78,79,81,82,83,85,86,87,89,90,91,92,94,95,96,98,99,100,102,103,104,106,107,108 %N A188222 Beatty sequence for (sqrt(5) + 3)/4. %C A188222 Positions of 0 in A188221. See A187950, A188221. %F A188222 a(n) = floor(n*(sqrt(5) + 3)/4). - _Pooya Farshim_, Dec 21 2024 %t A188222 (See A188221.) %o A188222 (PARI) a(n) = {(sqrtint(5*n^2) + 3*n) \ 4} \\ _Andrew Howroyd_, Dec 21 2024 %Y A188222 Complement of A004976. %Y A188222 Cf. A187950, A188221. %K A188222 nonn %O A188222 1,2 %A A188222 _Clark Kimberling_, Mar 24 2011 %E A188222 New name from _Pooya Farshim_, Dec 21 2024