A359596 - OEIS

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A359596

Positions of odd terms in A358777.

1, 9, 15, 21, 25, 33, 35, 39, 49, 51, 55, 57, 65, 69, 77, 85, 87, 91, 93, 95, 111, 115, 119, 121, 123, 129, 133, 135, 141, 143, 145, 155, 159, 161, 169, 177, 183, 185, 187, 189, 201, 203, 205, 209, 213, 215, 217, 219, 221, 235, 237, 247, 249, 253, 259, 265, 267, 287, 289, 291, 295, 297, 299, 301, 303 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`After the initial 1, 135 = 3^3 * 5 is the next term that is not an odd semiprime (A046315). See A359597.`
	LINKS	`Table of n, a(n) for n=1..65.`
	PROG	`(PARI) isA359596(n) = A359595(n);`
	CROSSREFS	`Positions of odd terms in A358777 and in A359589.` `Union of A046315 and A359597.` `Subsequence of A046337.` `Cf. A353557, A359595 (characteristic function).` `Sequence in context: A225438 A175076 A046337 * A046315 A046372 A025045` `Adjacent sequences: A359593 A359594 A359595 * A359597 A359598 A359599`
	KEYWORD	`nonn,new`
	AUTHOR	`Antti Karttunen, Jan 09 2023`
	STATUS	`approved`

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Last modified January 16 21:41 EST 2023. Contains 359555 sequences. (Running on oeis4.)