A182584 Central terms of the triangle A182579.

1, 1, 4, 5, 20, 27, 112, 156, 660, 935, 4004, 5733, 24752, 35700, 155040, 224808, 980628, 1427679, 6249100, 9126975, 40060020, 58659315, 258048960, 378658800, 1668903600, 2453288292, 10829900592, 15944020316, 70480305440, 103897691640, 459823234112

Offset: 0

Author

Reinhard Zumkeller, May 06 2012

Keywords

• nonn

Comments

a(n) = A182579(2*n,n);

a(2*n+1) = A052227(n).

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 0..1000

Programs

Haskell

a182584 n = a182579 (2*n) n