Row sums of triangle A052313, which is the matrix square of the triangle of circular binomial coefficients (A047996).

A091714

Row sums of triangle A052313, which is the matrix square of the triangle of circular binomial coefficients (A047996).

Terms

    a(0) =1a(1) =3a(2) =6a(3) =10a(4) =19a(5) =31a(6) =68a(7) =120a(8) =271a(9) =567a(10) =1302a(11) =2918a(12) =7199a(13) =17071a(14) =43110a(15) =108642a(16) =280935a(17) =727959a(18) =1930344a(19) =5115348a(20) =13765415a(21) =37132859a(22) =101046712a(23) =275870592a(24) =758236999a(25) =2088996227a(26) =5783712268a(27) =16055661688a(28) =44729027703a(29) =124907034471

External references