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A356311
Numbers k for which A003415(k) and A276086(k) are relatively prime, where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function.
7
0, 2, 3, 4, 5, 7, 10, 11, 12, 13, 16, 17, 18, 19, 22, 23, 24, 28, 29, 30, 31, 32, 34, 37, 40, 41, 42, 43, 47, 53, 54, 56, 58, 59, 60, 61, 66, 67, 70, 71, 72, 73, 78, 79, 80, 82, 83, 84, 89, 90, 96, 97, 101, 103, 104, 105, 107, 108, 109, 113, 114, 118, 120, 124, 127, 130, 131, 132, 136, 137, 138, 139, 140, 142, 144
OFFSET
1,2
PROG
(PARI) isA356311(n) = A356310(n); \\ See code in A356310.
CROSSREFS
Positions of 1's in A327858. Positions of 0's in A356304 (for n >= 2) and in A356305.
Cf. A003415, A276086, A356310 (characteristic function), A356312 (complement).
Cf. also A324583.
Sequence in context: A094617 A254318 A047502 * A117092 A373255 A285276
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 03 2022
STATUS
approved