a(n) = 5*a(n-1) - 10*a(n-2) + 10*a(n-3) - 5*a(n-4) + 3*a(n-5) with a(0) = a(1) = a(2) = a(3) = a(4) = 1.

A247584

a(n) = 5*a(n-1) - 10*a(n-2) + 10*a(n-3) - 5*a(n-4) + 3*a(n-5) with a(0) = a(1) = a(2) = a(3) = a(4) = 1.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =3a(6) =13a(7) =43a(8) =113a(9) =253a(10) =509a(11) =969a(12) =1849a(13) =3719a(14) =8009a(15) =18027a(16) =40897a(17) =91257a(18) =198697a(19) =423777a(20) =894081a(21) =1886011a(22) =4007301a(23) =8594411a(24) =18560081a(25) =40181493a(26) =86872293a(27) =187197193a(28) =402060793a(29) =861827743

External references