cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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

Original entry on oeis.org

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

Views

Author

Reinhard Zumkeller, Jul 07 2012

Keywords

Crossrefs

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

Programs

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