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 A372451 #9 May 05 2024 10:42:06 %S A372451 3,5,11,21,40,81,161,324,647,1293,2587,5172,10346,20691,41380,82761, %T A372451 165521,331045,662088,1324177,2648354,5296706,10593414,21186826, %U A372451 42373653,84747305,169494608,338989217,677978434,1355956869,2711913737,5423827472,10847654948,21695309895,43390619792,86781239585,173562479173,347124958345 %N A372451 a(n) = A372449(1+n) - A372449(n). %C A372451 a(n) tells how many bits the length of the binary expansion grows when we go from A372444(n) to A372444(1+n). %H A372451 Antti Karttunen, <a href="/A372451/b372451.txt">Table of n, a(n) for n = 0..1001</a> %F A372451 a(n) = A000523(A372444(1+n)) - A000523(A372444(n)). %o A372451 (PARI) A372451(n) = (A372449(1+n)-A372449(n)); \\ Needs also code from A372449. %Y A372451 First differences of A372449. %Y A372451 Column 14 of A372356. %Y A372451 Cf. A000523, A372443, A372444. %K A372451 nonn %O A372451 0,1 %A A372451 _Antti Karttunen_, May 05 2024