A368902 Numbers k for which A342001(k) is squarefree.

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 36, 37, 38, 40, 41, 42, 43, 45, 47, 48, 49, 53, 56, 57, 58, 59, 60, 61, 62, 63, 64, 66, 67, 69, 70, 71, 72, 73, 74, 75, 78, 79, 80, 82, 83, 84, 85, 88, 89, 90, 93, 96, 97, 98, 100, 101, 102, 103, 104, 105, 106, 107

Offset

1,1

Comments

Numbers k such that A342001(k) is in A005117.

Links

Table of n, a(n) for n=1..79.

Prog

(PARI) \\ See A368912.

Crossrefs

Cf. A005117, A342001, A368912 (characteristic function).

Subsequence of A368904.

Sequence in context: A178538 A332166 A017904 * A143290 A272038 A044961

Adjacent sequences: A368899 A368900 A368901 * A368903 A368904 A368905

Keyword

nonn

Author

Antti Karttunen, Jan 10 2024

Status

approved