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A353710
Smallest missing number when A353709(n) is being calculated.
5
0, 1, 2, 3, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 11, 11, 11, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 27, 27, 27, 27, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29
OFFSET
0,3
LINKS
Rémy Sigrist, PARI program
PROG
(PARI) See Links section.
(Python)
from itertools import count, islice
def A353710_gen(): # generator of terms
s, a, b, c, ab = {0, 1}, 0, 1, 2, 1
yield from (0, 1)
while True:
for n in count(c):
if not (n & ab or n in s):
yield c
a, b = b, n
ab = a|b
s.add(n)
while c in s:
c += 1
break
A353710_list = list(islice(A353710_gen(), 20)) # Chai Wah Wu, May 10 2022
CROSSREFS
Sequence in context: A184995 A372546 A136348 * A284397 A284374 A137847
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, May 06 2022
STATUS
approved