A083110 - OEIS

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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

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

2,3

LINKS

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

EXAMPLE

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