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A296350 List of numbers k such that the determinant of the Bordered Lights Out matrix BL_k is nonzero. 3
2, 3, 6, 7, 8, 10, 12, 13, 15, 16, 18, 20, 21, 22, 25, 26, 27, 28, 30, 31, 32, 33 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..22.

Martin Kreh, "Lights Out" and Variants, Amer. Math. Month., Vol. 124 (10), Dec. 2017, pp. 937-950.

CROSSREFS

Cf. A296351, A296352, A296353.

Sequence in context: A032899 A193528 A232681 * A076436 A028768 A294484

Adjacent sequences:  A296347 A296348 A296349 * A296351 A296352 A296353

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Dec 14 2017

STATUS

approved

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Last modified April 22 08:56 EDT 2019. Contains 322329 sequences. (Running on oeis4.)