Pentanacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) + a(n-4) + a(n-5) if n>=5, and a(n) = n otherwise.

A135056

Pentanacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) + a(n-4) + a(n-5) if n>=5, and a(n) = n otherwise.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =10a(6) =20a(7) =39a(8) =76a(9) =149a(10) =294a(11) =578a(12) =1136a(13) =2233a(14) =4390a(15) =8631a(16) =16968a(17) =33358a(18) =65580a(19) =128927a(20) =253464a(21) =498297a(22) =979626a(23) =1925894a(24) =3786208a(25) =7443489a(26) =14633514a(27) =28768731a(28) =56557836a(29) =111189778

External references