A165741 Positive integers n such that the toric n X n "Lights Out" puzzle has a unique solution (up to the order of flippings; each flipping appears at most once).

1, 2, 4, 7, 8, 11, 13, 14, 16, 19, 22, 23, 26, 28, 29, 32, 37, 38, 41, 43, 44, 46, 47, 49, 52, 53, 56, 58, 59, 61, 64, 67, 71, 73, 74, 76, 77, 79, 82, 83, 86, 88, 89, 91, 92, 94, 97, 98, 101, 103, 104, 106, 107, 109, 112, 113, 116, 118, 121, 122, 128, 131, 133, 134, 137

Offset

1,2

Comments

Complement to the sequence A165740 in the set of positive integers.

References

See A165738 for the references.

Links

Max Alekseyev and Thomas Buchholz, Table of n, a(n) for n = 1..1000 [terms 66 through 1000 were computed by Thomas Buchholz, May 20 2014]

Formula

n is in this sequence iff A165738(n)=0.

Crossrefs

Cf. A159257, A075462, A076436, A165740.

Sequence in context: A140137 A080308 A089559 * A238989 A093696 A190851

Adjacent sequences: A165738 A165739 A165740 * A165742 A165743 A165744

Keyword

nonn

Author

Max Alekseyev, Sep 25 2009

Extensions

More terms from Thomas Buchholz, May 20 2014

Status

approved