Pentanacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) + a(n-4) + a(n-5), a(0)=a(1)=a(2)=a(3)=0, a(4)=1.

A001591

Pentanacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) + a(n-4) + a(n-5), a(0)=a(1)=a(2)=a(3)=0, a(4)=1.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =1a(6) =2a(7) =4a(8) =8a(9) =16a(10) =31a(11) =61a(12) =120a(13) =236a(14) =464a(15) =912a(16) =1793a(17) =3525a(18) =6930a(19) =13624a(20) =26784a(21) =52656a(22) =103519a(23) =203513a(24) =400096a(25) =786568a(26) =1546352a(27) =3040048a(28) =5976577a(29) =11749641

External references