Generalized Lucas numbers: a(n) = a(n-1) + 10*a(n-2); with a(1)=2 a(2)=1.
A164827
Generalized Lucas numbers: a(n) = a(n-1) + 10*a(n-2); with a(1)=2 a(2)=1.
Terms
- a(0) =2a(1) =1a(2) =21a(3) =31a(4) =241a(5) =551a(6) =2961a(7) =8471a(8) =38081a(9) =122791a(10) =503601a(11) =1731511a(12) =6767521a(13) =24082631a(14) =91757841a(15) =332584151a(16) =1250162561a(17) =4576004071a(18) =17077629681a(19) =62837670391a(20) =233613967201a(21) =861990671111
External references
- oeis: A164827