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A099394 Triangle T(k,n) by rows: n! * A075499(k,n). 0
1, 4, 1, 16, 12, 2, 64, 112, 48, 6, 256, 960, 800, 240, 24, 1024, 7936, 11520, 6240, 1440, 120, 4096, 64512, 154112, 134400, 53760, 10080, 720, 16384, 520192, 1978368, 2612736, 1612800, 510720, 80640, 5040, 65536, 4177920, 24780800 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Triangle given by [4,0,8,0,12,0,16,0,20,0,24,0,28,0,...] DELTA [1,1,2,2,3,3,4,4,5,5,6,6,...] where DELTA is the operator defined in A084938. [From Philippe Deléham, Jun 04 2009]

LINKS

Table of n, a(n) for n=0..38.

T. Mansour, Generalization of some identities involving the Fibonacci numbers

FORMULA

T(n, k) = A028246(n+1, k+1)*4^(n-k) = Stirling-2(n+1, k+1)*k!*4^(n-k), see A008277 . - Philippe Deléham, Oct 02 2005

EXAMPLE

1,

4,1,

16,12,2,

64,112,48,6,

256,960,800,240,24,

1024,7936,11520,6240,1440,120,

CROSSREFS

Sequence in context: A292922 A117438 A075499 * A269698 A059991 A002568

Adjacent sequences:  A099391 A099392 A099393 * A099395 A099396 A099397

KEYWORD

nonn,tabl

AUTHOR

Ralf Stephan, Oct 21 2004

STATUS

approved

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Last modified April 22 08:25 EDT 2019. Contains 322329 sequences. (Running on oeis4.)