A160909 Row sums of triangle defined in A096539.

2, 3, 10, 28, 198, 520, 3570, 9348, 64078, 1149850, 3010348, 54018520, 370248450, 969323028, 6643838878, 119218851370, 2139295485798, 5600748293800, 100501350283428, 688846502588398, 1803423556807920, 32361122672259148

Offset: 1

Author

Klaus Brockhaus, May 29 2009

Keywords

• nonn

Crossrefs

Cf. A096539, A034807, A180363.

Programs

Magma

[ &+[ Binomial(n-k, k)+Binomial(n-k-1, k-1): k in [1..n div 2] ]: n in [1..80] | IsPrime(n) ];

Formula

a(n) = A180363(n) - 1. - Jon Maiga, Jul 24 2019