OFFSET
1,3
FORMULA
For 1 <= i <= n, T(n, i) = n^(n-1) + (2i - n - 1)/2 if n odd; n^(n-1) + (2i-n-1) if n even. - C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 18 2005
EXAMPLE
Triangle begins
1;
1, 3;
8, 9, 10;
61, 63, 65, 67;
623, 624, 625, 626, 627;
MAPLE
l:=[]: for n from 1 to 9 do d:=2-(n mod 2): a:=n^(n-1)-d*(n-1)/2: l:=[op(l), seq(a+d*(i-1), i=1..n)] od: op(l); T:=proc(n, i) local d: d:=2-(n mod 2): RETURN(n^(n-1)+d*(2*i-n-1)/2): end: seq(seq(T(n, i), i=1..n), n=1..9); # C. Ronaldo, Jan 18 2005
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Amarnath Murthy, Mar 21 2003
EXTENSIONS
More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 18 2005
STATUS
approved