

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
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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^(ni), 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



