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A367626
First differences of A036991.
4
1, 2, 2, 2, 4, 2, 2, 4, 2, 2, 4, 2, 2, 8, 4, 2, 2, 4, 2, 2, 4, 2, 2, 8, 4, 2, 2, 4, 2, 2, 4, 2, 2, 8, 4, 2, 2, 4, 2, 2, 4, 2, 2, 16, 8, 4, 2, 2, 8, 4, 2, 2, 4, 2, 2, 4, 2, 2, 8, 4, 2, 2, 4, 2, 2, 4, 2, 2, 8, 4, 2, 2, 4, 2, 2, 4, 2, 2, 16, 8, 4, 2, 2, 8, 4, 2, 2
OFFSET
1,2
COMMENTS
Entries are powers of 2 (see A036991 and A367627).
LINKS
PROG
(Python)
from itertools import count, islice
def A367626_gen(): # generator of terms
a = 0
yield 1
for n in count(1):
s = bin(n)[2:]
c, l = 2, len(s)
for i in range(1, l+1):
if (c:=c+(2 if s[l-i]=='1' else 0)) <= i:
break
else:
yield n-a<<1
a = n
A367626_list = list(islice(A367626_gen(), 30)) # Chai Wah Wu, Nov 28 2023
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 25 2023
STATUS
approved