The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A008285 Erroneous version of A342587. 0
 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 60. EXAMPLE 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). Sequence in context: A276998 A222866 A342587 * A119274 A066991 A132875 Adjacent sequences: A008282 A008283 A008284 * A008286 A008287 A008288 KEYWORD dead AUTHOR STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified March 25 20:04 EDT 2023. Contains 361528 sequences. (Running on oeis4.)