OFFSET
1,1
COMMENTS
a(1)-a(5) found by Jo Yeong Uk (hyukjo(AT)sigma.chungnam.ac.kr).
LINKS
Giovanni Resta, Table of n, a(n) for n = 1..4000
Carlos Rivera, Puzzle 29. P_i = P_(i-1) & nxtprm(P_(i-1)), P_i = prime for i => 1, The Prime Puzzles and Problems Connection.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Dec 15 1998
EXTENSIONS
Offset corrected and terms a(6) and beyond added by Giovanni Resta, May 14 2020
STATUS
approved