Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #13 Mar 01 2024 11:48:16
%S 2,4,7,8,12,13,15,16,21,22,24,25,28,29,31,32,38,39,41,42,45,46,48,49,
%T 53,54,56,57,60,61,63,64,71,72,74,75,78,79,81,82,86,87,89,90,93,94,96,
%U 97,102,103,105,106,109,110,112,113,117,118,120,121,124,125,127
%N Bisection of A233272: a(n) = A233272(2n+1).
%H Antti Karttunen, <a href="/A233273/b233273.txt">Table of n, a(n) for n = 0..8192</a>
%F a(n) = A233272(2n+1) = A233272(A005408(n)).
%F a(n) = A120511(n+1) + 1 = A005408(n) + A080791(n) + 1.
%t DigitCount[#, 2, 0] + # + 1 & [Range[1, 200, 2]] (* _Paolo Xausa_, Mar 01 2024 *)
%o (Scheme)
%o (define (A233273 n) (A233272 (A005408 n)))
%o ;; Alternative version:
%o (define (A233273 n) (+ 1 (A005408 n) (A080791 n)))
%Y a(n) = One more than A120511(n+1).
%Y Cf. also A233272, A005408.
%K nonn,base
%O 0,1
%A _Antti Karttunen_, Dec 12 2013