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A359597
Indices k such that A358777(k) is odd, and k is not an odd semiprime.
2
1, 135, 189, 297, 315, 351, 375, 459, 495, 513, 525, 585, 621, 693, 735, 765, 783, 819, 825, 837, 855, 875, 975, 999, 1029, 1035, 1071, 1107, 1155, 1161, 1197, 1269, 1275, 1287, 1305, 1365, 1375, 1395, 1425, 1431, 1449, 1593, 1617, 1625, 1647, 1665, 1683, 1715, 1725, 1785, 1809, 1815, 1827, 1845, 1881
OFFSET
1,2
COMMENTS
2025 = 3^4 * 5^2, 30375 = 3^5 * 5^3 and 455625 == 3^6 * 5^4 are the first terms with respectively 6, 8 and 10 prime factors (with multiplicity).
PROG
(PARI) isA359597(n) = ((!A353480(n)) && A359595(n));
CROSSREFS
Setwise difference A359596 \ A046315.
Odd terms of A065036 form a subset.
Sequence in context: A096593 A050215 A358778 * A218417 A348696 A274434
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jan 09 2023
STATUS
approved