Records in A087159, i.e., A087159(a(n)) = n, and satisfies the recurrence a(n+3) = 5*a(n+2) - 6* a(n+1) + 2*a(n) with a(1) = 1, a(2) = 2, and a(3) = 4.
A087161
Records in A087159, i.e., A087159(a(n)) = n, and satisfies the recurrence a(n+3) = 5*a(n+2) - 6* a(n+1) + 2*a(n) with a(1) = 1, a(2) = 2, and a(3) = 4.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =10a(4) =30a(5) =98a(6) =330a(7) =1122a(8) =3826a(9) =13058a(10) =44578a(11) =152194a(12) =519618a(13) =1774082a(14) =6057090a(15) =20680194a(16) =70606594a(17) =241065986a(18) =823050754a(19) =2810071042a(20) =9594182658a(21) =32756588546a(22) =111837988866a(23) =381838778370
External references
- oeis: A087161