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 A376415 #14 Sep 23 2024 14:13:26 %S A376415 14488,57880,258096,1033752,3702824,14821424,66158736,264831016, %T A376415 948570032,3798139024,16949183552,67829237680,243080889928, %U A376415 972279514176,4341071097344,17360471721544,62225889019592,248568875068928,1111070190653712,4438793067349704,15908408008868528,63634253845942544,284082756299099488,1136310075423425200 %N A376415 a(n) = A122245(4+n) XOR 16*A122245(n). %C A376415 This seems to preserve more of the "wavy texture" present in A122245 than what A376412 does vis-a-vis A122242. Compare the corresponding illustrations. %H A376415 Antti Karttunen, <a href="/A376415/b376415.txt">Table of n, a(n) for n = 1..1650</a> %H A376415 Antti Karttunen, <a href="/A080069/a080069.py.txt">Python program for computing this sequence and the associated images.</a> %H A376415 Antti Karttunen, <a href="/A376415/a376415.png">Terms a(1)-a(768) drawn as binary strings, in Wolframesque fashion.</a> %H A376415 Antti Karttunen, <a href="/A376415/a376415_1.png">The central parts of terms a(1) - a(20000) drawn in similar fashion.</a> (the widening blank region in the middle corresponds with the "central crystallization" attractor present in A122245) %H A376415 <a href="/index/Bi#binary">Index entries for sequences related to binary expansion of n</a> %o A376415 (PARI) A376415(n) = bitxor(A122245(4+n), 16*A122245(n)); %o A376415 (Python) # See the Links section %Y A376415 Cf. A122245 (A014486, A057548, A082358, A122237, A122244). %Y A376415 Cf. also A327973, A376405, A376412. %K A376415 nonn,base %O A376415 1,1 %A A376415 _Antti Karttunen_, Sep 22 2024