A214084 Triangle read by rows: n-th row = {m: n^2 <= m <= n^3}.

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, 27, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56

Offset

0,3

Links

Reinhard Zumkeller, Rows n = 0..15 of triangle, flattened

Prog

(Haskell)
a214084 n k = a214084_tabf !! n !! k
a214084_row n = a214084_tabf !! n
a214084_tabf = zipWith enumFromTo a000290_list a000578_list

Crossrefs

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

Sequence in context: A089166 A178052 A030543 * A114143 A171526 A359740

Adjacent sequences: A214081 A214082 A214083 * A214085 A214086 A214087

Keyword

nonn,tabf

Author

Reinhard Zumkeller, Jul 07 2012

Status

approved