A018345 Divisors of 231.

1, 3, 7, 11, 21, 33, 77, 231

Offset

1,2

Comments

11 is a term as can be seen with the alternating sum of digits of 231. - Michel Marcus, Nov 22 2017

Links

Table of n, a(n) for n=1..8.

Index entries for sequences related to divisors of numbers

Mathematica

Divisors[231] (* Alonso del Arte, Nov 21 2017 *)

Prog

(PARI) divisors(231) \\ Charles R Greathouse IV, Jun 22 2017

Crossrefs

Sequence in context: A151923 A187264 A067498 * A082675 A201645 A028831

Adjacent sequences: A018342 A018343 A018344 * A018346 A018347 A018348

Keyword

nonn,fini,full,easy

Author

N. J. A. Sloane.

Status

approved