Third convolution of A000129(n+1) (generalized (2,1)-Fibonacci, called Pell numbers), n>=0, with itself.

A073380

Third convolution of A000129(n+1) (generalized (2,1)-Fibonacci, called Pell numbers), n>=0, with itself.

Terms

    a(0) =1a(1) =8a(2) =44a(3) =200a(4) =810a(5) =3032a(6) =10716a(7) =36248a(8) =118435a(9) =376240a(10) =1167720a(11) =3553840a(12) =10636180a(13) =31375440a(14) =91392040a(15) =263266512a(16) =750922021a(17) =2123059448a(18) =5955034740a(19) =16584106040a(20) =45884989054a(21) =126202397032

External references