A116862 Row sums of triangle A116868 (called Y(1,3)).

1, 7, 55, 472, 4300, 40861, 400567, 4021720, 41147398, 427470430, 4497253054, 47817544348, 513029453530, 5547155801065, 60385754935495, 661267785740080, 7279524885630310, 80512572260496610, 894231158402339410

Offset: 0

Author

Wolfdieter Lang, Mar 24 2006

Keywords

• nonn
• easy

Formula

a(n)=sum(A116868(n,m),m=1..n+1), n>=0.