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 A073632 #18 May 20 2022 10:25:30 %S A073632 0,1,3,4,5,6,7,8,10,12,14,15,17,18,20,21,22,25,27,30,32,33,34,35,38, %T A073632 42,45,46,48,52,53,55,57,58,59,61,62,63,64,65,69,71,74,76,82,83,85,89, %U A073632 90,93,96,97,98,100,104,106,107,109,110,112,113,114,116,117,118,119,120 %N A073632 Numbers k such that floor((3/2)^k) = A002379(k) is odd. %H A073632 Amiram Eldar, <a href="/A073632/b073632.txt">Table of n, a(n) for n = 1..10000</a> %t A073632 Select[Range[0, 120], OddQ[Floor[(3/2)^#]] &] (* _Jayanta Basu_, Jul 03 2013 *) %o A073632 (PARI) isok(k) = floor((3/2)^k) % 2; \\ _Michel Marcus_, May 19 2022 %Y A073632 Cf. A002379, A073633, A073634 (complement). %K A073632 easy,nonn %O A073632 1,3 %A A073632 _Benoit Cloitre_, Aug 29 2002 %E A073632 a(1) = 0 inserted by _Amiram Eldar_, May 19 2022