Sum{T(i,n-i): i=0,1,...,n}, array T as in A047040; Sum{T(i,n-i): i=0,1,...,n}, array T given by A047050.

A047041

Sum{T(i,n-i): i=0,1,...,n}, array T as in A047040; Sum{T(i,n-i): i=0,1,...,n}, array T given by A047050.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =5a(4) =9a(5) =16a(6) =30a(7) =60a(8) =100a(9) =191a(10) =368a(11) =713a(12) =1370a(13) =2674a(14) =5348a(15) =9888a(16) =19333a(17) =37951a(18) =74626a(19) =146008a(20) =288038a(21) =576076a(22) =1100372a(23) =2170350a(24) =4290958a(25) =8490063a(26) =16742078a(27) =33186996a(28) =66373992a(29) =128763352

External references