A374109 - OEIS

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A374109

Numbers k such that A113177(k) and A328845(k) are not both even, where A113177 is fully additive with a(p) = Fibonacci(p) and A328845 is the first Fibonacci-based variant of the arithmetic derivative.

2, 5, 6, 7, 8, 10, 11, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 24, 26, 28, 29, 30, 31, 32, 33, 34, 37, 38, 39, 41, 42, 43, 44, 45, 46, 47, 50, 51, 52, 53, 54, 57, 58, 59, 60, 61, 62, 63, 66, 67, 68, 69, 70, 71, 72, 73, 74, 76, 78, 79, 80, 82, 83, 84, 86, 87, 89, 90, 92, 93, 94, 96, 97, 98, 99, 101, 102, 103, 106

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

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

PROG

(PARI) isA374109(n) = !A374107(n);

CROSSREFS

Cf. A113177, A328845, A374107, A374108 (complement).

Indices of odd terms in A374106.

Union of A373587 and A374047.

Sequence in context: A228374 A092206 A374115 * A028746 A028779 A050007

Adjacent sequences: A374106 A374107 A374108 * A374110 A374111 A374112

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jun 29 2024

STATUS

approved