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A324608 Number of 1's in binary expansion of A308092(n). 1
1, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 10, 11, 11, 11, 13, 13, 14, 14, 14, 16, 16, 16, 17, 17, 17, 19, 19, 19, 19, 20, 20, 20, 22, 22, 22, 22, 22, 23, 23, 23, 25, 25, 25, 25, 25, 25, 26, 26, 26, 28, 28, 28, 28, 28, 28, 28, 29, 29, 30, 31, 31, 31, 31, 31, 31, 31, 31 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Conjecture: sequence is weakly increasing.

LINKS

Robert Israel, Table of n, a(n) for n = 1..3000

FORMULA

a(n) = A000120(A308092(n)).

MAPLE

S:= "110":

b("0"):= 0: b("1"):= 1:

A308092[1]:= 1: A308092[2]:= 2: t:= 3:

for n from 3 to 300 do

  tp:= add(b(S[i])*2^(n-i), i=1..n);

  A308092[n]:= tp - t;

  t:= tp;

  S:= cat(S, convert(A308092[n], binary));

od:

seq(convert(convert(A308092[n], base, 2), `+`), n=1..300); # Robert Israel, Jun 12 2019

CROSSREFS

Cf. A000120, A308092.

Sequence in context: A025793 A102680 A025791 * A237115 A069637 A072292

Adjacent sequences:  A324605 A324606 A324607 * A324609 A324610 A324611

KEYWORD

nonn,base

AUTHOR

Peter Kagey, Jun 10 2019

STATUS

approved

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Last modified October 17 19:44 EDT 2019. Contains 328128 sequences. (Running on oeis4.)