A082822 Triangle (with distinct entries) read by rows in which row n contains n numbers whose product == 1 (mod n).

1, 3, 5, 2, 4, 8, 7, 9, 11, 13, 6, 12, 14, 16, 17, 19, 23, 25, 29, 31, 37, 10, 15, 18, 20, 22, 24, 27, 21, 33, 35, 39, 41, 43, 45, 47, 26, 28, 32, 34, 38, 40, 44, 46, 55, 49, 51, 53, 57, 59, 61, 63, 67, 69, 79, 30, 36, 42, 48, 50, 52, 54, 56, 58, 60, 70, 65, 71, 73, 77, 83, 85

Offset

1,2

Comments

Obviously all members of the n-th group are coprime to n.

Links

Table of n, a(n) for n=1..72.

Example

1
3 5
2 4 8
7 9 11 13
6 12 14 16 17
19 23 25 29 31 37
...

Crossrefs

Cf. A082823, A082824, A082825, A082826.

Sequence in context: A084753 A163364 A336760 * A109313 A331526 A176881

Adjacent sequences: A082819 A082820 A082821 * A082823 A082824 A082825

Keyword

nonn,tabl

Author

Amarnath Murthy, Apr 22 2003

Extensions

More terms from David Wasserman, Oct 05 2004

Status

approved