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A229937 Nonprime odious numbers. 0
1, 4, 8, 14, 16, 21, 22, 25, 26, 28, 32, 35, 38, 42, 44, 49, 50, 52, 55, 56, 62, 64, 69, 70, 74, 76, 81, 82, 84, 87, 88, 91, 93, 94, 98, 100, 104, 110, 112, 115, 117, 118, 121, 122, 124, 128, 133, 134, 138, 140, 143, 145, 146, 148, 152, 155, 158, 161 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Intersection of A018252 and A000069.

Also 1 together with A125495.

LINKS

Table of n, a(n) for n=1..58.

EXAMPLE

28 is in the sequence because it is nonprime and because 28 written in base 2 is 11100 which has an odd number of 1's.

CROSSREFS

Cf. A000069, A018252, A125495.

Sequence in context: A312254 A312255 A312256 * A125495 A246158 A312257

Adjacent sequences:  A229934 A229935 A229936 * A229938 A229939 A229940

KEYWORD

nonn,base

AUTHOR

Omar E. Pol, Oct 25 2013

STATUS

approved

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Last modified August 1 14:40 EDT 2021. Contains 346391 sequences. (Running on oeis4.)