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

1,1

Links

Table of n, a(n) for n=1..22.

Formula

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

Prog

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

Crossrefs

Cf. A096539, A034807, A180363.

Sequence in context: A140453 A037169 A058953 * A004980 A034324 A084380

Adjacent sequences: A160906 A160907 A160908 * A160910 A160911 A160912

Keyword

nonn

Author

Klaus Brockhaus, May 29 2009

Status

approved