OFFSET
1,2
EXAMPLE
2627 is in the sequence because (1) it is a Perrin number and (2) the sum of its digits 2+6+2+7=17 is also a Perrin number.
MATHEMATICA
p=LinearRecurrence[{0, 1, 1}, {3, 0, 2}, 162]; Union[Select[p, MemberQ[p, Total[IntegerDigits[#]]]&]] (* James C. McMahon, Sep 13 2024 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Luc Stevens (lms022(AT)yahoo.com), Apr 27 2006
EXTENSIONS
a(19)-a(26) from James C. McMahon, Sep 13 2024
STATUS
approved