a(n) = (F(6*n+2)-1)/4, where F=A000045 (the Fibonacci sequence).
A049662
a(n) = (F(6*n+2)-1)/4, where F=A000045 (the Fibonacci sequence).
Terms
- a(0) =0a(1) =5a(2) =94a(3) =1691a(4) =30348a(5) =544577a(6) =9772042a(7) =175352183a(8) =3146567256a(9) =56462858429
External references
- oeis: A049662