Numbers k such that S(k) = S(k-1) + S(k-2) where S is the Kempner function A002034.

Terms

a(0) =3a(1) =11a(2) =121a(3) =4902a(4) =26245a(5) =32112a(6) =64010a(7) =368140a(8) =415664a(9) =2091206a(10) =2519648a(11) =4573053a(12) =7783364a(13) =12610170a(14) =16739482a(15) =20526651a(16) =30744490a(17) =31137773a(18) =44893057a(19) =79269727a(20) =99681870a(21) =112803824a(22) =136193976a(23) =213879072a(24) =321022289a(25) =445810543a(26) =559199345a(27) =617868162a(28) =624292242