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A177811 Sub-triangle of Eulerian numbers A008292, taking every 4th term of every 4th row. 0
1, 1, 1, 1, 156190, 1, 1, 423281535, 423281535, 1, 1, 473353301060, 114890380658550, 473353301060, 1, 1, 382493246941965, 5119020713873609970, 5119020713873609970, 382493246941965, 1, 1, 269025107855605626, 101955892318210543172751, 4179647109945703200884716, 101955892318210543172751, 269025107855605626, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
0,5
COMMENTS
Row sums are: 1, 2, 156192, 846563072, 115837087260672, ... .
LINKS
EXAMPLE
{1},
{1, 1},
{1, 156190, 1},
{1, 423281535, 423281535, 1},
{1, 473353301060, 114890380658550, 473353301060, 1},
{1, 382493246941965, 5119020713873609970, 5119020713873609970, 382493246941965, 1}
MATHEMATICA
<< DiscreteMath`Combinatorica`
k = 4;
a = Table[Table[Eulerian[n + 1, k*m], {m, 0, Floor[n/k]}], {n, 0, 10*k, k}];
Flatten[%]
CROSSREFS
Sequence in context: A171658 A347936 A347939 * A341118 A129242 A186605
KEYWORD
nonn,tabl,less
AUTHOR
Roger L. Bagula, Dec 13 2010
STATUS
approved

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)