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URL: https://oeis.org/A159346

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A159346
Triangle read by rows: every third term of every third row of A008292.
2
1, 1, 1, 1, 2416, 1, 1, 455192, 455192, 1, 1, 45533450, 2275172004, 45533450, 1, 1, 3572085255, 3207483178157, 3207483178157, 3572085255, 1, 1, 251732291184, 2527925001876036, 37307713155613000, 2527925001876036, 251732291184, 1, 1, 16871482830550, 1454842842001939656
OFFSET
0,5
FORMULA
T(n, k) = A008292(3*n+1, 3*k+1). - Jason Yuen, Feb 04 2025
EXAMPLE
Triangle begins:
{1},
{1, 1},
{1, 2416, 1},
{1, 455192, 455192, 1},
{1, 45533450, 2275172004, 45533450, 1},
{1, 3572085255, 3207483178157, 3207483178157, 3572085255, 1},
...
MATHEMATICA
<< DiscreteMath`Combinatorica`
k = 3;
a = Table[Table[Eulerian[n + 1, k*m], {m, 0, Floor[n/k]}], {n, 0, 10*k, k}];
Flatten[%]
CROSSREFS
Sequence in context: A260274 A376352 A234126 * A256835 A237940 A097030
KEYWORD
nonn,tabl
AUTHOR
Roger L. Bagula, Dec 13 2010
EXTENSIONS
Edited by N. J. A. Sloane, Jan 01 2011
STATUS
approved