1,1

a(n) = #{p prime: LevenshteinDistance(p, A000040(n))=1}.

Table of n, a(n) for n=1..70.

Michael Gilleland, Levenshtein Distance [It has been suggested that this algorithm gives incorrect results sometimes. - N. J. A. Sloane]

Cf. A080910, A097721, A097722.

Sequence in context: A117069 A145355 A110353 * A077806 A019305 A274266

Adjacent sequences: A097717 A097718 A097719 * A097721 A097722 A097723

nonn,base

Reinhard Zumkeller, Aug 23 2004

approved