A229937 Nonprime odious numbers.

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

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