%I #14 May 10 2022 09:54:55
%S 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,
%T 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,
%U 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
%N Smallest missing number when A353709(n) is being calculated.
%H Rémy Sigrist, <a href="/A353710/b353710.txt">Table of n, a(n) for n = 0..16384</a>
%H Rémy Sigrist, <a href="/A353710/a353710.gp.txt">PARI program</a>
%o (PARI) See Links section.
%o (Python)
%o from itertools import count, islice
%o def A353710_gen(): # generator of terms
%o s, a, b, c, ab = {0,1}, 0, 1, 2, 1
%o yield from (0,1)
%o while True:
%o for n in count(c):
%o if not (n & ab or n in s):
%o yield c
%o a, b = b, n
%o ab = a|b
%o s.add(n)
%o while c in s:
%o c += 1
%o break
%o A353710_list = list(islice(A353710_gen(),20)) # _Chai Wah Wu_, May 10 2022
%Y Cf. A084937, A353709.
%K nonn,base
%O 0,3
%A _N. J. A. Sloane_, May 06 2022
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