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A276579 Squarefree numbers larger than one for which A268669(A048675(n)) is a power of two. 3
2, 3, 5, 6, 7, 10, 11, 13, 15, 17, 19, 21, 22, 23, 29, 31, 35, 37, 39, 41, 43, 46, 47, 53, 55, 59, 61, 67, 71, 73, 77, 79, 83, 85, 87, 89, 91, 97, 101, 103, 107, 109, 113, 118, 127, 131, 133, 137, 139, 143, 149, 151, 155, 157, 163, 167, 173, 179, 181, 183, 187, 191, 193, 197, 199, 210, 211, 221, 223, 227, 229, 233 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Terms present in arrays A255483 & A276578, sorted into ascending order.

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..2000

PROG

(Scheme, with Antti Karttunen's IntSeq-library)

(define A276579 (MATCHING-POS 1 1 (lambda (n) (and (> n 1) (not (zero? (A008683 n))) (= 1 (A000120 (A268669 (A048675 n))))))))

CROSSREFS

Cf. A000120, A008683, A008966, A048675, A209229, A268669.

Cf. array A255483 (A276578).

Subsequence of A005117.

A000040 is a subsequence.

Sequence in context: A144147 A068422 A085118 * A166158 A289997 A137313

Adjacent sequences:  A276576 A276577 A276578 * A276580 A276581 A276582

KEYWORD

nonn

AUTHOR

Antti Karttunen, Sep 18 2016

STATUS

approved

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Last modified September 16 02:16 EDT 2019. Contains 327088 sequences. (Running on oeis4.)