a(n) = Sum_{k = 0..n} (-1)^k*14^k.
A268413
a(n) = Sum_{k = 0..n} (-1)^k*14^k.
Terms
- a(0) =1a(1) =-13a(2) =183a(3) =-2561a(4) =35855a(5) =-501969a(6) =7027567a(7) =-98385937a(8) =1377403119a(9) =-19283643665a(10) =269971011311
External references
- oeis: A268413