Row sums of the triangle of triangular binomial coefficients given by A098568.

A098569

Row sums of the triangle of triangular binomial coefficients given by A098568.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =14a(4) =43a(5) =143a(6) =510a(7) =1936a(8) =7775a(9) =32869a(10) =145665a(11) =674338a(12) =3251208a(13) =16282580a(14) =84512702a(15) =453697993a(16) =2514668492a(17) =14367066833a(18) =84489482201a(19) =510760424832

External references