A006341 Octal palindromes which are also primes.

2, 3, 5, 7, 111, 131, 141, 161, 323, 343, 373, 535, 565, 717, 737, 747, 767, 10301, 10601, 11511, 12421, 12621, 13031, 13331, 15151, 16561, 17471, 30403, 30503, 30703, 31313, 31713, 32023, 32323, 33433, 34343, 34443, 35053, 35353, 36463, 36563, 36763, 37473

Offset

1,1

Links

Table of n, a(n) for n=1..43.

Eric Weisstein's World of Mathematics, Palindromic Prime

Prog

(C) main(n, i, a, m){while(i=++n) for(a=0; a<i?a=a*8+i%8, i/=8, m=a==i|a/8==i, 1:(n-++m||printf("%o\n", n))&&n%m; ); }

Crossrefs

Cf. A029976.

Sequence in context: A029977 A052019 A205529 * A086107 A046713 A119835

Adjacent sequences: A006338 A006339 A006340 * A006342 A006343 A006344

Keyword

base,nonn

Author

James Carlson (carlson(AT)xylogics.com)

Extensions

More terms from David W. Wilson.

Status

approved