A334504 Eventual period of a single cell in rule 26 cellular automaton in a cyclic universe of width n.

1, 1, 6, 1, 20, 2, 28, 1, 72, 6, 88, 4, 104, 14, 120, 1, 272, 14, 304, 12, 336, 62, 368, 8, 400, 126, 432, 28, 464, 30, 496, 1, 1056, 30, 1120, 28, 1184, 1022, 1248, 24, 1312, 126, 1376, 124, 1440, 4094, 1504, 16, 1568, 2046, 1632, 252, 1696, 1022, 1760

Offset

1,3

Comments

Bradley Klee computed a(1)-a(10).

References

Bradley Klee, Posting to Math Fun Mailing List, Apr 26 2020

Links

Bert Dobbelaere, Table of n, a(n) for n = 1..120

Formula

It seems that a(2*n+2) = A268754(n) and a(2*n+1) = (2*n+1) * 2^A070939(n) = A363121(n+1)/2 for n > 0. - Andrey Zabolotskiy, Sep 04 2024

Crossrefs

Cf. A180001, A334496, A334499-A334515, A070939, A268754, A363121.

Sequence in context: A080213 A200091 A180733 * A161151 A146383 A264313

Adjacent sequences: A334501 A334502 A334503 * A334505 A334506 A334507

Keyword

nonn

Author

N. J. A. Sloane, May 05 2020

Extensions

a(11)-a(40) from Jinyuan Wang, May 09 2020

More terms from Bert Dobbelaere, May 09 2020

Status

approved