A258208 Transpose of array A258207 which gives the numbers remaining after the stage n of Lucky sieve.

1, 1, 3, 1, 3, 5, 1, 3, 7, 7, 1, 3, 7, 9, 9, 1, 3, 7, 9, 13, 11, 1, 3, 7, 9, 13, 15, 13, 1, 3, 7, 9, 13, 15, 19, 15, 1, 3, 7, 9, 13, 15, 21, 21, 17, 1, 3, 7, 9, 13, 15, 21, 25, 25, 19, 1, 3, 7, 9, 13, 15, 21, 25, 27, 27, 21, 1, 3, 7, 9, 13, 15, 21, 25, 31, 31, 31, 23, 1, 3, 7, 9, 13, 15, 21, 25, 31, 33, 33, 33, 25, 1, 3, 7, 9, 13, 15, 21, 25, 31, 33, 37, 37, 37, 27, 1, 3, 7, 9, 13, 15, 21, 25, 31, 33, 37, 43, 43, 39, 29

Offset

1,3

Comments

See comments in A258207.

Links

Table of n, a(n) for n=1..120.

Index entries for sequences generated by sieves

Example

The top left corner of the array:
   1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1
   3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3
   5,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7
   7,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9
   9, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13
  11, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15
  13, 19, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21
  15, 21, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25
  17, 25, 27, 31, 31, 31, 31, 31, 31, 31, 31, 31
  19, 27, 31, 33, 33, 33, 33, 33, 33, 33, 33, 33
  21, 31, 33, 37, 37, 37, 37, 37, 37, 37, 37, 37
  23, 33, 37, 43, 43, 43, 43, 43, 43, 43, 43, 43
  ...

Prog

(Scheme)
(define (A258208 n) (A258207bi (A004736 n) (A002260 n)))
;; Other code as in A258207.

Crossrefs

Transpose of A258207.

Main diagonal: A000959 (the Lucky numbers).

Sequence in context: A158405 A113759 A294966 * A210952 A208523 A209572

Adjacent sequences: A258205 A258206 A258207 * A258209 A258210 A258211

Keyword

nonn,tabl

Author

Antti Karttunen, Jul 27 2015

Status

approved