The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A308281 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A308281

The third power of the unsigned Lah triangular matrix A105278.
(history; published version)

#13 by Bruno Berselli at Sat Jul 27 16:00:19 EDT 2019

STATUS

editing

approved

#12 by Bruno Berselli at Sat Jul 27 15:59:02 EDT 2019

PROG

(MAGMA) /* As triangle */ [[3^(n-k)*Binomial(n-1, k-1)*Factorial(n)/Factorial(k): k in [1..n]]: n in [1.. 15]]; // Vincenzo Librandi, Jul 27 2019

KEYWORD

easy,nonn,tabl,easy,changed

STATUS

proposed

editing

Discussion

Sat Jul 27

16:00

Bruno Berselli: Vincenzo, dopo "reviewed" nessun tuo contributo - ti è già stato detto. Grazie della collaborazione.

#11 by Vincenzo Librandi at Sat Jul 27 02:07:46 EDT 2019

STATUS

editing

proposed

#10 by Vincenzo Librandi at Sat Jul 27 02:07:27 EDT 2019

PROG

(MAGMA) /* As triangle */ [[3^(n-k)*Binomial(n-1, k-1)*Factorial(n)/Factorial(k): k in [1..n]]: n in [1.. 15]]; // Vincenzo Librandi, Jul 27 2019

STATUS

reviewed

editing

#9 by Sean A. Irvine at Sat Jul 27 00:04:04 EDT 2019

STATUS

proposed

reviewed

#8 by Amiram Eldar at Sat Jul 13 09:06:33 EDT 2019

STATUS

editing

proposed

#7 by Amiram Eldar at Sat Jul 13 09:06:28 EDT 2019

MATHEMATICA

Table[3^(n - k) * Binomial[n - 1, k - 1] * n! / k!, {n, 1, 10}, {k, 1, n}] // Flatten (* Amiram Eldar, Jul 13 2019 *)

STATUS

proposed

editing

#6 by Michel Marcus at Fri May 24 09:29:55 EDT 2019

STATUS

editing

proposed

#5 by Michel Marcus at Fri May 24 09:29:31 EDT 2019

NAME

The third power of the unsigned Lah triangular matrix A105278.

DATA

1, 6, 1, 54, 18, 1, 648, 324, 36, 1, 9720, 6480, 1080, 60, 1, 174960, 145800, 32400, 2700, 90, 1, 3674160, 3674160, 1020600, 113400, 5670, 126, 1, 88179840, 102876480, 34292160, 4762800, 317520, 10584, 168, 1, 2380855680, 3174474240, 1234517760, 205752960, 17146080, 762048, 18144, 216, 1, 71425670400, 107138505600, 47617113600, 9258883200, 925888320, 51438240, 1632960, 29160, 270, 1

CROSSREFS

Cf. A105278.

STATUS

proposed

editing

Discussion

Fri May 24

09:29

Michel Marcus: removed one row of data: already above 260 chars

#4 by Shuhei Tsujie at Fri May 24 09:06:03 EDT 2019

STATUS

editing

proposed