1,3

T(n, 1) = 1;

T(n, 2) = A000984(n) for n>1;

T(n, 3) = A005809(n) for n>2;

T(n, n) = A014062(n).

Triangle begins:

1

1 6

1 20 84

1 70 495 1820

1 252 3003 15504 53130

...

Row-sums give A096131. The leading diagonal is A014062. Cf. A096131.

Cf. A007318.

Sequence in context: A080213 A161151 A146383 this_sequence A120666 A050300 A118394

Adjacent sequences: A096127 A096128 A096129 this_sequence A096131 A096132 A096133

nonn,tabl

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 04 2004

Corrected and extended by Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 09 2005