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A230297 a(n) = A010062(n) written in binary. 3
1, 10, 11, 101, 111, 1010, 1100, 1110, 10001, 10011, 10110, 11001, 11100, 11111, 100100, 100110, 101001, 101100, 101111, 110100, 110111, 111100, 1000000, 1000001, 1000011, 1000110, 1001001, 1001100, 1001111, 1010100, 1010111, 1011100, 1100000, 1100010, 1100101, 1101001, 1101101, 1110010, 1110110, 1111011, 10000001, 10000011 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Is there any way to tell by looking at a binary number whether or not it is a term of this sequence?

LINKS

N. J. A. Sloane, Table of n, a(n) for n = 0..10000

Index entries for Colombian or self numbers and related sequences

CROSSREFS

Cf. A010062.

Variant of A157845.

Sequence in context: A171676 A118240 A157845 * A086084 A206073 A004676

Adjacent sequences:  A230294 A230295 A230296 * A230298 A230299 A230300

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Oct 17 2013

STATUS

approved

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Last modified September 15 22:10 EDT 2019. Contains 327088 sequences. (Running on oeis4.)