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A324658 a(n) = n - A324659(n), where A324659(n) is half of bitwise-AND of 2*n and sigma(n). 5
1, 2, 1, 4, 4, 0, 3, 8, 9, 2, 9, 0, 8, 2, 3, 16, 16, 0, 17, 0, 5, 4, 19, 0, 16, 10, 11, 0, 16, 26, 15, 32, 33, 32, 35, 0, 36, 32, 35, 0, 40, 10, 41, 4, 8, 10, 39, 0, 33, 16, 19, 4, 36, 2, 19, 0, 17, 18, 33, 40, 32, 14, 11, 64, 65, 2, 65, 64, 69, 6, 67, 8, 72, 66, 65, 8, 77, 10, 71, 0, 65, 64, 81, 4, 65, 20, 67, 0, 80 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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)

FORMULA

a(n) = n - A324659(n) = n - A318468(n)/2 = n - ((2*n AND sigma(n))/2).

PROG

(PARI) A324658(n) = (n-(bitand(2*n, sigma(n))/2));

CROSSREFS

Cf. A000203, A004198, A318468, A324648, A324659.

Cf. A324652 (positions of zeros).

Sequence in context: A091879 A036069 A009477 * A105568 A335830 A004175

Adjacent sequences:  A324655 A324656 A324657 * A324659 A324660 A324661

KEYWORD

nonn,look

AUTHOR

Antti Karttunen, Mar 14 2019

STATUS

approved

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Last modified August 14 13:28 EDT 2020. Contains 336480 sequences. (Running on oeis4.)