A095744 Primes p for which A037888(p) = 2, i.e., primes whose binary expansion needs flips of just two bits to become palindrome.

43, 53, 71, 79, 83, 101, 109, 113, 139, 149, 163, 197, 263, 269, 283, 293, 307, 353, 359, 379, 389, 409, 433, 439, 449, 461, 499, 523, 547, 571, 593, 619, 643, 673, 691, 751, 773, 811, 821, 839, 857, 863, 881, 887, 907, 983, 1013, 1031, 1049, 1063

Offset: 1

Author

Antti Karttunen, Jun 12 2004

Keywords

• nonn
• base

Links

• Robert Israel, Table of n, a(n) for n = 1..10000
• Antti Karttunen and J. Moyer, C-program for computing the initial terms of this sequence

Crossrefs

The third row of array A095749. Cf. A095754.

Programs

Maple

f:= proc(n) local L,i;
  L:= convert(n,base,2);
  add(abs(L[i]-L[-i]),i=1..floor(nops(L)/2))
end proc:
select(t -> f(t)=2, [seq(ithprime(i),i=1..1000)]); # Robert Israel, Dec 04 2023