A101820 Triangle read by rows: T(n,h)/(n-1), where T is the array in A101819.

1, 1, 3, 1, 14, 12, 1, 45, 150, 60, 1, 124, 1080, 1560, 360, 1, 315, 6020, 21000, 16800, 2520, 1, 762, 28980, 204120, 378000, 191520, 20160, 1, 1785, 127050, 1631700, 5838840, 6667920, 2328480, 181440, 1, 4088, 522480, 11459280, 71442000

Offset: 0

Author

Clark Kimberling, Dec 17 2004

Keywords

• nonn
• tabl

Examples

			First rows:
1
1 3
1 14 12
4 45 150 60
		

Links

• Paul Barry, The Gamma-Vectors of Pascal-like Triangles Defined by Riordan Arrays, arXiv:1804.05027 [math.CO], 2018.

Crossrefs

Cf. A019538, A101817, A101819, A101821.

Formula

T(n, h) = C(n-1, h)*U(n, h)/(n-1), where U(n, h) is the array in A019538.