The On-Line Encyclopedia of Integer Sequences (OEIS)

A212440 revision #4

A212440

Numbers with even curling numbers of their binary representations, cf. A181935.

3, 4, 10, 11, 12, 15, 16, 19, 20, 21, 26, 27, 28, 35, 36, 37, 43, 44, 45, 47, 48, 51, 52, 53, 54, 58, 59, 60, 63, 64, 67, 68, 69, 73, 74, 75, 76, 79, 80, 82, 83, 84, 90, 91, 92, 99, 100, 101, 107, 108, 109, 111, 112, 115, 116, 117, 118, 122, 123, 124, 131

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

A212412(a(n)) = 0; complement of A212441.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

PROG

(Haskell)

a212440 n = a212440_list !! (n-1)

a212440_list = filter (even . a181935) [0..]

CROSSREFS