OFFSET
1,2
COMMENTS
A355916(2*a(n)-1) = 0.
LINKS
Michael De Vlieger, Table of n, a(n) for n = 1..10000
MATHEMATICA
nn = 51; c[_] = 0; i = 1; Reap[Do[k = 0; While[c[k] > 0, Set[m, c[k]]; c[m]++; c[k]++; i += 2; k++]; Set[m, c[k]]; c[m]++; c[k]++; Sow[(i + 1)/2]; i += 2, {n, nn}] ][[-1, -1]]
PROG
(Python)
from itertools import count, islice
from collections import Counter
def agen():
yield 1
num, alst, inventory = 0, [0, 0], Counter([0, 0])
for n in count(2):
c = [inventory[num], num]
num = 0 if c[0] == 0 else num + 1
if c[0] == 0: yield n
inventory.update(c)
print(list(islice(agen(), 51))) # Michael S. Branicky, Oct 05 2022
CROSSREFS
KEYWORD
nonn
AUTHOR
Michael De Vlieger, Sep 25 2022
STATUS
approved