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A077164 Triangle in which n-th row gives n numbers relatively prime to n and greater than all earlier terms in the triangle. 3
2, 3, 5, 7, 8, 10, 11, 13, 15, 17, 18, 19, 21, 22, 23, 25, 29, 31, 35, 37, 41, 43, 44, 45, 46, 47, 48, 50, 51, 53, 55, 57, 59, 61, 63, 65, 67, 68, 70, 71, 73, 74, 76, 77, 79, 81, 83, 87, 89, 91, 93, 97, 99, 101, 103, 104, 105, 106, 107, 108, 109, 111, 112, 113, 114, 115, 119 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..67.

EXAMPLE

Triangle begins

   2;

   3,  5;

   7,  8, 10;

  11, 13, 15, 17;

  18, 19, 21, 22, 23;

  ...

MAPLE

b[1, 1]:=2:r:=3:for n from 2 to 15 do for i from 1 to n do while(gcd(r, n)>1) do r:=r+1:od:b[i, n]:=r:r:=r+1:od:od:seq( seq(b[k, j], k=1..j), j=1..15); # Sascha Kurz, May 09 2004

CROSSREFS

Cf. A077165, A077166, A077167.

Sequence in context: A066093 A022342 A218606 * A062132 A003258 A028738

Adjacent sequences:  A077161 A077162 A077163 * A077165 A077166 A077167

KEYWORD

nonn,tabl

AUTHOR

Amarnath Murthy, Oct 31 2002

EXTENSIONS

Corrected and extended by Sascha Kurz, May 09 2004

STATUS

approved

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Last modified February 21 10:51 EST 2018. Contains 299390 sequences. (Running on oeis4.)