

A130465


Triangle where the nth row consists of the n smallest positive integers which are coprime to the number of divisors of n.


1



1, 1, 3, 1, 3, 5, 1, 2, 4, 5, 1, 3, 5, 7, 9, 1, 3, 5, 7, 9, 11, 1, 3, 5, 7, 9, 11, 13, 1, 3, 5, 7, 9, 11, 13, 15, 1, 2, 4, 5, 7, 8, 10, 11, 13, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 1, 5, 7, 11, 13, 17, 19, 23, 25, 29, 31, 35, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,3


LINKS



EXAMPLE

Triangle begins:
1,
1, 3,
1, 3, 5,
1, 2, 4, 5,
1, 3, 5, 7, 9,
1, 3, 5, 7, 9, 11,
...


CROSSREFS



KEYWORD



AUTHOR



EXTENSIONS



STATUS

approved



