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A230300 a(n) = n + wt(n-1), where wt() = A000120() is the binary weight. 2
1, 3, 4, 6, 6, 8, 9, 11, 10, 12, 13, 15, 15, 17, 18, 20, 18, 20, 21, 23, 23, 25, 26, 28, 27, 29, 30, 32, 32, 34, 35, 37, 34, 36, 37, 39, 39, 41, 42, 44, 43, 45, 46, 48, 48, 50, 51, 53, 51, 53, 54, 56, 56, 58, 59, 61, 60, 62, 63, 65, 65, 67, 68, 70, 66, 68, 69, 71, 71, 73, 74, 76, 75, 77, 78, 80, 80, 82, 83, 85, 83, 85 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

A228085(m-1) gives the number of times m occurs in this sequence.

LINKS

Table of n, a(n) for n=1..82.

Index entries for Colombian or self numbers and related sequences

MATHEMATICA

Table[n+Total[IntegerDigits[n-1, 2]], {n, 100}] (* Harvey P. Dale, May 20 2015 *)

CROSSREFS

Cf. A000120, A092391, A228085, A230301 (complement).

Sequence in context: A023836 A064800 A078574 * A275883 A274529 A284061

Adjacent sequences:  A230297 A230298 A230299 * A230301 A230302 A230303

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Oct 23 2013

STATUS

approved

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Last modified September 20 16:25 EDT 2019. Contains 327242 sequences. (Running on oeis4.)