A260718 Square array A260717 transposed.

2, 3, 3, 5, 5, 4, 7, 7, 7, 5, 11, 11, 11, 9, 6, 13, 13, 13, 13, 11, 7, 17, 17, 17, 17, 17, 13, 8, 23, 23, 23, 23, 23, 19, 15, 9, 25, 25, 25, 25, 25, 25, 23, 17, 10, 29, 29, 29, 29, 29, 29, 29, 25, 19, 11, 37, 37, 37, 37, 37, 37, 37, 31, 29, 21, 12, 41, 41, 41, 41, 41, 41, 41, 41, 37, 31, 23, 13, 43, 43, 43, 43, 43, 43, 43, 43, 43, 41, 35, 25, 14

Offset

1,1

Links

Table of n, a(n) for n=1..91.

Index entries for sequences generated by sieves

Example

The top left corner of the array:
   2,  3,  5,  7, 11, 13, 17, 23,  25,  29,  37,  41,  43,  47,  53,  61
   3,  5,  7, 11, 13, 17, 23, 25,  29,  37,  41,  43,  47,  53,  61,  67
   4,  7, 11, 13, 17, 23, 25, 29,  37,  41,  43,  47,  53,  61,  67,  71
   5,  9, 13, 17, 23, 25, 29, 37,  41,  43,  47,  53,  61,  67,  71,  77
   6, 11, 17, 23, 25, 29, 37, 41,  43,  47,  53,  61,  67,  71,  77,  83
   7, 13, 19, 25, 29, 37, 41, 43,  47,  53,  61,  67,  71,  77,  83,  89
   8, 15, 23, 29, 37, 41, 43, 47,  53,  61,  67,  71,  77,  83,  89,  91
   9, 17, 25, 31, 41, 43, 47, 53,  61,  67,  71,  77,  83,  89,  91,  97
  10, 19, 29, 37, 43, 47, 53, 61,  67,  71,  77,  83,  89,  91,  97, 107
  11, 21, 31, 41, 47, 53, 61, 67,  71,  77,  83,  89,  91,  97, 107, 115
  12, 23, 35, 43, 53, 61, 67, 71,  77,  83,  89,  91,  97, 107, 115, 119
  13, 25, 37, 47, 55, 67, 71, 77,  83,  89,  91,  97, 107, 115, 119, 121
  14, 27, 41, 53, 61, 71, 77, 83,  89,  91,  97, 107, 115, 119, 121, 127
  15, 29, 43, 55, 67, 73, 83, 89,  91,  97, 107, 115, 119, 121, 127, 131
  16, 31, 47, 59, 71, 77, 89, 91,  97, 107, 115, 119, 121, 127, 131, 143
  17, 33, 49, 61, 73, 83, 91, 97, 107, 115, 119, 121, 127, 131, 143, 149
  etc.

Prog

(Scheme) (define (A260718 n) (A260717bi (A004736 n) (A002260 n))) ;; A260717bi given in A260717.

Crossrefs

Transpose: A260717.

Sequence in context: A072923 A257003 A131922 * A064631 A347293 A113730

Adjacent sequences: A260715 A260716 A260717 * A260719 A260720 A260721

Keyword

nonn,tabl

Author

Antti Karttunen, Jul 30 2015

Status

approved