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A359596
Positions of odd terms in A358777.
7
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
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.
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
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jan 09 2023
STATUS
approved