OFFSET
1,1
COMMENTS
The Hamming distance between a(n) and the next prime is 1, cf. A205510.
LINKS
M. F. Hasler, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[Prime[Range[211]], Count[IntegerDigits[BitXor[#, NextPrime[#]], 2], 1]==1 &] (* Jayanta Basu, May 26 2013 *)
PROG
(PARI) n=0; for(i=1, 10^4, until(A205510(n++)==1, ); write("c:/temp/b205511.txt", i" "prime(n))) \\ M. F. Hasler, Jan 29 2012
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Vladimir Shevelev, Jan 28 2012
EXTENSIONS
Terms from a(11) were added by Peter J. C. Moses
STATUS
approved