|
Search: id:A006341
|
|
|
| A006341 |
|
Octal palindromes which are also primes. |
|
+0
4
|
|
| 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
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
LINKS
|
Eric Weisstein's World of Mathematics, Palindromic Prime
|
|
PROGRAM
|
(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: A030150 A029977 A052019 this_sequence A086107 A046713 A119835
Adjacent sequences: A006338 A006339 A006340 this_sequence A006342 A006343 A006344
|
|
KEYWORD
|
base,nonn
|
|
AUTHOR
|
James Carlson (carlson(AT)xylogics.com)
|
|
EXTENSIONS
|
More terms from David W. Wilson (davidwwilson(AT)comcast.net).
|
|
|
Search completed in 0.002 seconds
|
