1,3

Table of n, a(n) for n=1..78.

a(n)=abs(A000040(n)-A002822(n)).

Cf. A000040, A002822.

Sequence in context: A128181 A125185 A274895 * A133438 A086671 A269502

Adjacent sequences: A173384 A173385 A173386 * A173388 A173389 A173390

nonn

Juri-Stepan Gerasimov, Feb 17 2010

a(68) corrected by R. J. Mathar, Mar 09 2010

approved