OFFSET
0,2
COMMENTS
First differences are either 7 (in isolated positions) or 9 (always 4 or 5 times consecutively in a row). It is interesting to study these run lengths, see A367083 for further information.
PROG
(Python)
from itertools import islice
def A367084_gen(): # generator of terms
a, b, c = 1, 4, -1
while True:
while (a:=a*3)<b:
yield (c:=c+1)
b <<= 2
c += 2
CROSSREFS
KEYWORD
nonn
AUTHOR
M. F. Hasler, Nov 03 2023
STATUS
approved