OFFSET
1,1
MATHEMATICA
nxt[{a_, b_, c_}]:={b, c, a+IntegerReverse[b]+c}; Select[NestList[nxt, {0, 0, 1}, 100][[All, 1]], PrimeOmega[#]==2&] (* Harvey P. Dale, Jul 11 2021 *)
CROSSREFS
KEYWORD
nonn,less,base
AUTHOR
Jonathan Vos Post and Ray Chandler, Dec 31 2004
EXTENSIONS
Offset changed to 1 and more terms from Jinyuan Wang, Aug 08 2021
STATUS
approved