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.

A008285 Erroneous version of A342587.

Original entry on oeis.org

1, 1, 2, 1, 12, 6, 1, 86, 108, 24, 1, 840, 2310, 960, 120, 1, 11642, 65700, 42960, 9000, 720, 1, 227892, 2583126, 2510760, 712320, 90720, 5040, 1, 6285806, 142259628, 199424904, 71243760, 11481120, 987840, 40320
Offset: 1

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Keywords

Examples

			Triangle T(n,k) (with n >= 1 and 1 <= k <= n) begins as follows:
  1;
  1,      2;
  1,     12,       6;
  1,     86,     108,      24;
  1,    840,    2310,     960,    120;
  1,  11642,   65700,   42960,   9000,   720;
  1, 227892, 2583126, 2510760, 712320, 90720, 5040;
  ...
		

Crossrefs

Cf. A000142 (diagonal), A001035 (row sums), A055531 (k=2), A055532 (k=3), A055533 (subdiagonal), A081064, A342501 (connected).