Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #9 Aug 02 2015 17:52:58
%S 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,
%T 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,
%U 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
%N Transpose of array A258207 which gives the numbers remaining after the stage n of Lucky sieve.
%C See comments in A258207.
%H <a href="/index/Si#sieve">Index entries for sequences generated by sieves</a>
%e The top left corner of the array:
%e 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
%e 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3
%e 5, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
%e 7, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9
%e 9, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13
%e 11, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15
%e 13, 19, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21
%e 15, 21, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25
%e 17, 25, 27, 31, 31, 31, 31, 31, 31, 31, 31, 31
%e 19, 27, 31, 33, 33, 33, 33, 33, 33, 33, 33, 33
%e 21, 31, 33, 37, 37, 37, 37, 37, 37, 37, 37, 37
%e 23, 33, 37, 43, 43, 43, 43, 43, 43, 43, 43, 43
%e ...
%o (Scheme)
%o (define (A258208 n) (A258207bi (A004736 n) (A002260 n)))
%o ;; Other code as in A258207.
%Y Transpose of A258207.
%Y Main diagonal: A000959 (the Lucky numbers).
%K nonn,tabl
%O 1,3
%A _Antti Karttunen_, Jul 27 2015