

A131762


Number of 1s in the 1's complement of the 32bit 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
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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)={32hammingweight(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



