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 A366910 #12 Nov 12 2023 12:49:38 %S A366910 0,1,2,2,4,6,9,14,27,36,69,94,178,308,589,908,1540,2814,5158,9210, %T A366910 16732,29392,55109,101120,179654,332130,625928,1136814,2120399, %U A366910 3963166,7377931,13878622,25958590,48421044,92163237,173672988,325098134,617741968,1177573074,2221353224,4222570054 %N A366910 Number of n-bit binary reversible primes. %C A366910 Number of primes p in [2^(n-1),2^n) whose reverse in base 2 is also prime. The count includes palindromic primes in base 2. %H A366910 Cathy Swaenepoel, <a href="/A366910/b366910.txt">Table of n, a(n) for n = 1..50</a> %H A366910 Cécile Dartyge, Bruno Martin, Joël Rivat, Igor E. Shparlinski, and Cathy Swaenepoel, <a href="https://arxiv.org/abs/2309.11380">Reversible primes</a>, arXiv:2309.11380 [math.NT], 2023. See p. 34. %e A366910 The 5-bit binary reversible primes are 17="10001", 23="10111", 29="11101" and 31="11111", so a(5)=4. %Y A366910 Cf. A074831, A074832, A117773, A048054. %K A366910 nonn,base %O A366910 1,3 %A A366910 _Cathy Swaenepoel_, Oct 27 2023