A005680 A squarefree ternary sequence. (Formerly M0403)

1, 2, 3, 1, 2, 1, 3, 2, 3, 1, 3, 2, 1, 2, 3, 1, 2, 1, 3, 2, 1, 2, 3, 1, 3, 2, 3, 1, 2, 1, 3, 2, 3, 1, 3, 2, 1, 2, 3, 1, 3, 2, 3, 1, 2, 1, 3, 2, 1, 2, 3, 1, 2, 1, 3, 2, 3, 1, 3, 2, 1, 2, 3, 1, 2, 1, 3, 2, 1, 2, 3, 1, 3, 2, 3, 1, 2, 1, 3

Offset

1,2

References

G. Siebert, personal communication.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Sean A. Irvine, Table of n, a(n) for n = 1..10000

G. Siebert, Letter to N. J. A. Sloane, Sept. 1977

Crossrefs

Cf. A036582 (apparently essentially the same sequence).

Sequence in context: A100336 A275609 A006376 * A036582 A260451 A328749

Adjacent sequences: A005677 A005678 A005679 * A005681 A005682 A005683

Keyword

nonn

Author

N. J. A. Sloane

Status

approved