1,2

Antti Karttunen, Table of n, a(n) for n = 1..16384

Antti Karttunen, Data supplement: n, a(n) computed for n = 1..65537

Index entries for sequences related to binary expansion of n

Index entries for sequences related to sigma(n)

a(n) = n - A318458(n).

(PARI)

A318458(n) = bitand(n, sigma(n)-n);

A324648(n) = (n-A318458(n));

(PARI) A324648(n) = (n-bitand(n, sigma(n)-n));

Cf. A001065, A004198, A318458, A324658, A324649 (positions of zeros).

Sequence in context: A054529 A074934 A089886 * A071511 A119922 A097860

Adjacent sequences: A324645 A324646 A324647 * A324649 A324650 A324651

nonn,look

Antti Karttunen, Mar 14 2019

approved