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A360127 Numbers k for which A359425(k) is odd, where A359425 is the Dirichlet convolution of the arithmetic derivative with the primorial base exp function. 2
4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 32, 34, 38, 40, 44, 46, 48, 50, 52, 56, 58, 62, 64, 68, 74, 76, 80, 82, 86, 88, 90, 92, 94, 96, 98, 104, 106, 112, 116, 118, 122, 124, 126, 128, 134, 136, 142, 146, 148, 150, 152, 158, 160, 164, 166, 172, 176, 178, 180, 184, 188, 192, 194, 198, 202, 206 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..69.
PROG
(PARI) isA360127(n) = A360125(n);
CROSSREFS
Positions of odd terms in A359425, positions of 1's in A360125, which is the characteristic function.
Complement of A360126.
Sequence in context: A093161 A307782 A325038 * A111305 A284665 A210939
Adjacent sequences: A360124 A360125 A360126 * A360128 A360129 A360130
KEYWORD
nonn
AUTHOR
Antti Karttunen, Feb 19 2023
STATUS
approved

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Last modified August 29 06:09 EDT 2024. Contains 375510 sequences. (Running on oeis4.)