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A357370
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Positions of 0's in A355917.
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2
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1, 3, 7, 13, 21, 33, 47, 64, 82, 102, 125, 149, 176, 204, 234, 267, 302, 339, 378, 419, 462, 507, 554, 603, 654, 707, 763, 820, 880, 943, 1008, 1075, 1143, 1215, 1288, 1362, 1437, 1513, 1592, 1674, 1757, 1842, 1928, 2017, 2107, 2199, 2293, 2389, 2487, 2587, 2690
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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LINKS
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MATHEMATICA
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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]]
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PROG
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(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)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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