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 A061227 #16 Jan 27 2023 20:13:29 %S A061227 4,6,10,14,22,44,88,110,55,121,44,110,55,77,121,88,154,77,143,88,110, %T A061227 176,121,187,176,202,404,808,1010,424,848,262,868,1070,1090,302,908, %U A061227 524,928,544,1150,362,382,584,988,1190,323,545,949,1151,565,1171,383 %N A061227 a(n) = p + R(p) where R(p) is the digit reversal of n-th prime p. %H A061227 Harvey P. Dale, <a href="/A061227/b061227.txt">Table of n, a(n) for n = 0..1000</a> %F A061227 a(n) = A000040(n) + A004087(n). - _Reinhard Zumkeller_, Feb 04 2014 %F A061227 a(n) = A056964(A000040(n)). - _Robert Israel_, May 23 2016 %e A061227 a(4) = 14 = 7 + 7, 7 is the fourth prime; a(8) = 110 = 19 + 91, 19 is the eighth prime. %p A061227 revdigs:= proc(n) local L,i; %p A061227 L:= convert(n,base,10); %p A061227 add(10^(nops(L)-j)*L[j],j=1..nops(L)) %p A061227 end proc: %p A061227 seq(x+revdigs(x),x=select(isprime,[2,seq(i,i=3..1000,2); # _Robert Israel_, May 23 2016 %t A061227 #+FromDigits[Reverse[IntegerDigits[#]]]&/@Prime[Range[60]] (* _Harvey P. Dale_, Jul 13 2013 *) %o A061227 (Haskell) %o A061227 a061227 n = p + a004086 p where p = a000040 n %o A061227 -- _Reinhard Zumkeller_, Feb 04 2014 %Y A061227 Cf. A000040, A004086, A056964. %K A061227 nonn,base,look %O A061227 0,1 %A A061227 _Amarnath Murthy_, Apr 22 2001 %E A061227 More terms from _Patrick De Geest_, Jun 04 2001