1,5
Number of terms < 10^n in A089521, determined with the aid of W. VanLandingham's list of Lychrel numbers.
W. VanLandingham, 196 and Other Lychrel Numbers
Cf. A088753, A089521.
Sequence in context: A136995 A136993 A136992 * A071069 A116439 A018525
Adjacent sequences: A089691 A089692 A089693 * A089695 A089696 A089697
nonn,base,more
Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Nov 10 2003