A177823 - OEIS

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A177823

Triangle of Eulerian numbers squared: A008292(n,m)^2 read by rows.

1

1, 1, 1, 1, 16, 1, 1, 121, 121, 1, 1, 676, 4356, 676, 1, 1, 3249, 91204, 91204, 3249, 1, 1, 14400, 1418481, 5837056, 1418481, 14400, 1, 1, 61009, 18429849, 243953161, 243953161, 18429849, 61009, 1, 1, 252004, 213393664, 7785238756, 24395316100, 7785238756, 213393664, 252004, 1, 1, 1026169

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

1,5

COMMENTS

Row sums are A168562.

LINKS

Table of n, a(n) for n=1..47.

EXAMPLE

1;

1, 1;

1, 16, 1;

1, 121, 121, 1;

1, 676, 4356, 676, 1;

1, 3249, 91204, 91204, 3249, 1;

1, 14400, 1418481, 5837056, 1418481, 14400, 1;

MATHEMATICA

<< DiscreteMath`Combinatorica`;

a = Table[Table[Eulerian[n + 1, m]^2, {m, 0, n}], {n, 0, 10}];

Flatten[%]

CROSSREFS

Cf. A008292, A014732, A014748, A014765, A168562

Sequence in context: A154228 A141697 A202750 * A142462 A203397 A338029

Adjacent sequences: A177820 A177821 A177822 * A177824 A177825 A177826

KEYWORD

nonn,tabl

AUTHOR

Roger L. Bagula, Dec 13 2010

STATUS

approved