1,4

Antti Karttunen, Table of n, a(n) for n = 1..32768

a(n) = n - A062401(n).

(PARI) A295301(n) = (n - eulerphi(sigma(n)));

Cf. A000010, A000203, A062401, A295303.

Cf. A001229 (positions of zeros), A066694 (of negative terms).

Cf. also A295302, A295305.

Sequence in context: A266911 A244075 A059905 * A014836 A197262 A085032

Adjacent sequences: A295298 A295299 A295300 * A295302 A295303 A295304

sign

Antti Karttunen, Nov 21 2017

approved