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A082822 Triangle (with distinct entries) read by rows in which row n contains n numbers whose product == 1 (mod n). 4
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 (list; table; graph; refs; listen; history; text; internal format)
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

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Last modified September 23 20:42 EDT 2021. Contains 347617 sequences. (Running on oeis4.)