1,3

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

Index entries for sequences related to binary expansion of n

Index entries for sequences related to sigma(n)

a(n) = A318468(n)/2.

a(n) = n - A324658(n).

(PARI) A324659(n) = (bitand(2*n, sigma(n))/2);

Cf. A000203, A004198, A318458, A318468, A324648, A324658.

Cf. A324652 (fixed points).

Sequence in context: A175197 A059299 A128722 * A304485 A289537 A323837

Adjacent sequences: A324656 A324657 A324658 * A324660 A324661 A324662

nonn

Antti Karttunen, Mar 14 2019

approved