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Triangle read by rows: n-th row = {m: n^2 <= m <= n^3}.
3

%I #7 Jul 13 2013 12:04:28

%S 0,1,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,

%T 27,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,

%U 38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56

%N Triangle read by rows: n-th row = {m: n^2 <= m <= n^3}.

%H Reinhard Zumkeller, <a href="/A214084/b214084.txt">Rows n = 0..15 of triangle, flattened</a>

%o (Haskell)

%o a214084 n k = a214084_tabf !! n !! k

%o a214084_row n = a214084_tabf !! n

%o a214084_tabf = zipWith enumFromTo a000290_list a000578_list

%Y Cf. A100104 (row lengths), A214085 (row sums), A000290 (left edge), A000578 (right edge), A079648 (number of primes per row).

%K nonn,tabf

%O 0,3

%A _Reinhard Zumkeller_, Jul 07 2012