OFFSET
0,1
EXAMPLE
a(8) = a(7)+floor(a(7)/4) = 15 + 3 = 18.
MATHEMATICA
NestList[#+Floor[#/4]&, 4, 50] (* Harvey P. Dale, Oct 06 2020 *)
PROG
(Python)
a=4
for i in range(55):
print(a, end=', ')
a += a//4
(Python)
from itertools import islice
def A182305_gen(): # generator of terms
a = 4
while True:
yield a
a += a>>2
CROSSREFS
KEYWORD
nonn
AUTHOR
Alex Ratushnyak, Apr 23 2012
STATUS
approved