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A374049
Numbers k for which A328846(k) is even, where A328846 is the second Fibonacci based variant of arithmetic derivative.
5
0, 1, 2, 4, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 22, 24, 25, 26, 28, 29, 30, 32, 33, 34, 36, 38, 39, 40, 41, 42, 44, 46, 48, 49, 50, 52, 53, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 67, 68, 69, 70, 72, 74, 76, 78, 79, 80, 81, 82, 84, 86, 88, 90, 92, 93, 94, 95, 96, 97, 98, 100, 102, 104, 105, 106, 107, 108
OFFSET
1,3
COMMENTS
A multiplicative semigroup: if m and n are in the sequence, then so is m*n.
PROG
(PARI) isA374049 = A374048;
CROSSREFS
Cf. A328846, A374048 (characteristic function), A374050 (complement).
Cf. also A374046.
Sequence in context: A136499 A047513 A039068 * A260399 A229785 A101616
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jun 28 2024
STATUS
approved