OFFSET
0,3
LINKS
R. J. Mathar, Table of n, a(n) for n = 0..1890
EXAMPLE
1 ;
1 2 ;
1 3 4 ;
1 3 6 7 ;
1 3 6 9 10 ;
1 3 6 10 14 15 ;
1 3 6 10 14 18 19 ;
1 3 6 10 15 20 25 26 ;
1 3 6 10 15 20 25 30 31 ;
1 3 6 10 15 20 26 31 36 37 ;
1 3 6 10 15 21 26 32 37 42 43 ;
1 3 6 10 15 21 28 34 41 47 53 54 ;
1 3 6 10 15 21 27 34 40 47 53 59 60 ;
MAPLE
A027422 := proc(m, n)
local L, i, j ;
L := {};
for i from m-n to m do
for j from i to m do
L := L union {i*j};
end do:
end do:
nops(L);
end proc: # R. J. Mathar, May 06 2016
CROSSREFS
KEYWORD
AUTHOR
EXTENSIONS
More terms from Olivier Gérard, Nov 15 1997
STATUS
approved