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A359822
Numbers k whose arithmetic derivative, A003415(k), has the same parity as k.
3
0, 3, 4, 5, 7, 8, 11, 12, 13, 16, 17, 19, 20, 23, 24, 27, 28, 29, 31, 32, 36, 37, 40, 41, 43, 44, 45, 47, 48, 52, 53, 56, 59, 60, 61, 63, 64, 67, 68, 71, 72, 73, 75, 76, 79, 80, 83, 84, 88, 89, 92, 96, 97, 99, 100, 101, 103, 104, 105, 107, 108, 109, 112, 113, 116, 117, 120, 124, 125, 127, 128, 131, 132
OFFSET
1,2
PROG
(PARI) isA359822(n) = !A359820(n);
CROSSREFS
Cf. A003415, A359820, A359821 (complement).
Positions of even terms in A129283 and in A168036.
Sequence in context: A173001 A325130 A047500 * A257408 A131613 A138494
KEYWORD
nonn,easy
AUTHOR
Antti Karttunen, Jan 14 2023
EXTENSIONS
Name edited by Peter Munn, Jan 14 2023
STATUS
approved