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A374184

Numbers k such that K(19 / k) != K((-1)^floor(k/2)*k / 19), where K(a/b) is the Kronecker symbol. Row 5 of A374188.

2, 10, 12, 18, 24, 26, 28, 34, 42, 44, 48, 50, 56, 58, 60, 66, 74, 82, 88, 90, 92, 96, 98, 106, 108, 112, 120, 122, 124, 130, 138, 140, 146, 154, 156, 162, 170, 172, 176, 178, 184, 186, 188, 192, 194, 202, 204, 210, 216, 218, 220, 224, 226, 234, 236, 240, 242 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..57.`
	PROG	`(SageMath) # see A374188` `print(A374188_row(5, 350))`
	CROSSREFS	`Cf. A374188, A374180, A374181, A374182, A374183.` `Cf. A372728 (Kronecker).` `Sequence in context: A104238 A053069 A374189 * A374182 A374181 A178504` `Adjacent sequences: A374181 A374182 A374183 * A374185 A374186 A374187`
	KEYWORD	`nonn`
	AUTHOR	`Peter Luschny, Jun 30 2024`
	STATUS	`approved`

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Last modified August 6 03:16 EDT 2024. Contains 374957 sequences. (Running on oeis4.)