A374050 Numbers k for which A328846(k) is odd, where A328846 is the second Fibonacci based variant of arithmetic derivative.

3, 5, 11, 13, 19, 21, 23, 27, 31, 35, 37, 43, 45, 47, 51, 59, 61, 71, 73, 75, 77, 83, 85, 87, 89, 91, 99, 101, 103, 109, 113, 117, 123, 125, 131, 133, 137, 145, 147, 149, 151, 159, 161, 163, 165, 167, 171, 179, 181, 187, 189, 193, 195, 197, 201, 205, 207, 211, 217, 221, 223, 229, 233, 237, 241, 243, 245, 251, 259

Offset

1,1

Links

Antti Karttunen, Table of n, a(n) for n = 1..12000

Index entries for sequences related to prime indices in the factorization of n

Prog

(PARI) isA374050(n) = !A374048(n);

Crossrefs

Indices of 0's in A374048, which is the characteristic function of complement, A374049.

Cf. A328846.

Cf. also A374047.

Sequence in context: A178604 A153443 A211876 * A066587 A047621 A239636

Adjacent sequences: A374047 A374048 A374049 * A374051 A374052 A374053

Keyword

nonn

Author

Antti Karttunen, Jun 28 2024

Status

approved