A277006 a(n) = A005940(1+A003714(n)); permutation of squarefree numbers.

1, 2, 3, 5, 6, 7, 10, 15, 11, 14, 21, 35, 30, 13, 22, 33, 55, 42, 77, 70, 105, 17, 26, 39, 65, 66, 91, 110, 165, 143, 154, 231, 385, 210, 19, 34, 51, 85, 78, 119, 130, 195, 187, 182, 273, 455, 330, 221, 286, 429, 715, 462, 1001, 770, 1155, 23, 38, 57, 95, 102, 133, 170, 255, 209, 238, 357, 595, 390, 247, 374, 561, 935, 546, 1309, 910, 1365, 323

Offset: 0

Author

Antti Karttunen, Oct 07 2016

Keywords

• nonn

Comments

Permutation of A005117 (squarefree numbers).

Links

• Antti Karttunen, Table of n, a(n) for n = 0..10946

Crossrefs

Cf. A000040, A000045, A003714, A005117, A005940, A048675, A048679, A087808.

Cf. also A019565, A277010, A277196.

Programs

Scheme

(define (A277006 n) (A005940 (+ 1 (A003714 n))))

Formula

a(n) = A005940(1+A003714(n)).

Other identities.

For n >= 0, A048675(a(n)) = A087808(A003714(n)) = A048679(n).

For n >= 1, a(A000045(n+1)) = A000040(n).