A359826 - OEIS

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A359826

Parity of A353348, where A353348 is Dirichlet inverse of the characteristic function for numbers k such that A048675(k) is a multiple of 3.

1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1`
	LINKS	`Antti Karttunen, Table of n, a(n) for n = 1..100000` `Index entries for characteristic functions`
	FORMULA	`a(n) = A353348(n) mod 2.` `a(n) = a(A003961(n)) = a(A348717(n)), for all n >= 1.` `a(n) <= A353350(n). [Follows because A332820 is a multiplicative semigroup. See comments in A353348]`
	PROG	`(PARI) A359826(n) = (A353348(n)%2);`
	CROSSREFS	`Characteristic function of A359827.` `Cf. A003961, A048675, A332820, A353348, A353350.` `Cf. also A359836.` `Sequence in context: A186741 A173864 A353348 * A353350 A354097 A354927` `Adjacent sequences: A359823 A359824 A359825 * A359827 A359828 A359829`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen, Jan 17 2023`
	STATUS	`approved`

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Last modified March 28 14:02 EDT 2023. Contains 361595 sequences. (Running on oeis4.)