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A131762 Number of 1s in the 1's complement of the 32-bit binary representation of n. 1
32, 31, 31, 30, 31, 30, 30, 29, 31, 30, 30, 29, 30, 29, 29, 28, 31, 30, 30, 29, 30, 29, 29, 28, 30, 29, 29, 28, 29, 28, 28, 27, 31, 30, 30, 29, 30, 29, 29, 28, 30, 29, 29, 28, 29, 28, 28, 27, 30, 29, 29, 28, 29, 28, 28, 27, 29, 28, 28, 27, 28, 27, 27, 26 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

This sequence is finite with a total of 2^32 terms. - Andrew Howroyd, Jan 04 2020

LINKS

Andrew Howroyd, Table of n, a(n) for n = 0..4095

FORMULA

a(n) = 32 - (number of 1s in binary representation of n).

a(n) = 32 - A000120(n). - Andrew Howroyd, Jan 04 2020

EXAMPLE

a(7) = 32 - (number of 1s in 00000000000000000000000000000111) = 32 - 3 = 29.

PROG

(PARI) a(n)={32-hammingweight(n)} \\ Andrew Howroyd, Jan 04 2020

CROSSREFS

Cf. A000120.

Sequence in context: A070626 A022988 A023474 * A208129 A330574 A126271

Adjacent sequences:  A131759 A131760 A131761 * A131763 A131764 A131765

KEYWORD

nonn,easy,fini

AUTHOR

Rachit Agrawal (rachit_agrawal(AT)daiict.ac.in), Oct 23 2007

EXTENSIONS

a(0) prepended and terms a(14) and beyond from Andrew Howroyd, Jan 04 2020

STATUS

approved

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Last modified June 19 15:03 EDT 2021. Contains 345141 sequences. (Running on oeis4.)