OFFSET
1
LINKS
Clark Kimberling, Table of n, a(n) for n = 1..10000
J. Shallit, Proof of Irvine's conjecture via mechanized guessing, arXiv preprint arXiv:2310.14252 [math.CO], October 22 2023.
EXAMPLE
0 -> 11 -> 110110- -> 1101101111011011 -> 11011011110110111101101101101111011011110110 ->
MATHEMATICA
PROG
(Python)
from itertools import islice
def A285431_gen(): # generator of terms
a, l = [1, 1], 0
while True:
yield from a[l:]
c = sum(([1, 1, 0] if d else [1, 1] for d in a), start=[])
l, a = len(a), c
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 29 2017
STATUS
approved