A353710 Smallest missing number when A353709(n) is being calculated.

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, Table of n, a(n) for n = 0..16384

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

Cf. A084937, A353709.

Sequence in context: A184995 A372546 A136348 * A284397 A284374 A137847

Adjacent sequences: A353707 A353708 A353709 * A353711 A353712 A353713

Keyword

nonn,base

Author

N. J. A. Sloane, May 06 2022

Status

approved