A083110 Triangle read by rows in which the n-th row contains lexicographically earliest increasing sequence of n positive integers whose product == -1 (mod n).

1, 1, 3, 1, 2, 4, 1, 3, 5, 9, 1, 2, 3, 4, 6, 1, 5, 7, 11, 13, 17, 1, 2, 3, 4, 5, 6, 8, 1, 3, 5, 7, 9, 11, 13, 17, 1, 2, 4, 5, 7, 8, 10, 11, 14, 1, 3, 7, 9, 11, 13, 17, 19, 21, 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 1, 5, 7, 11, 13, 17, 19, 23, 25, 29, 31, 37, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

Offset

2,3

Links

Table of n, a(n) for n=2..91.

Example

1
1 3
1 2 4
1 3 5 9
1 2 3 4 6
1 5 7 11 13 17
1 2 3 4 5 6 8
1 3 5 7 9 11 13 17
...

Crossrefs

Cf. A083111, A083112, A083113.

Sequence in context: A134839 A077581 A130419 * A059016 A080418 A073892

Adjacent sequences: A083107 A083108 A083109 * A083111 A083112 A083113

Keyword

nonn,tabl

Author

Amarnath Murthy, Apr 22 2003

Extensions

Corrected and extended by Chris Deugau (deugaucj(AT)uvic.ca), Dec 14 2005

Definition corrected by Max Alekseyev, Jun 18 2011

Status

approved