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

A135055

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

Terms

    a(0) =-2a(1) =-1a(2) =0a(3) =1a(4) =2a(5) =0a(6) =2a(7) =5a(8) =10a(9) =19a(10) =36a(11) =72a(12) =142a(13) =279a(14) =548a(15) =1077a(16) =2118a(17) =4164a(18) =8186a(19) =16093a(20) =31638a(21) =62199a(22) =122280a(23) =240396a(24) =472606a(25) =929119a(26) =1826600a(27) =3591001a(28) =7059722a(29) =13879048

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