closedForm

4 triples
GPTKB property

Random triples
Subject Object
gptkb:Jacobsthal–Lucas_numbers L(n) = 2^n + (-1)^n
gptkb:Jacobsthal_numbers (2^n - (-1)^n)/3
gptkb:Fibonacci_sequence gptkb:Binet's_formula
gptkb:Pell_numbers ((1+√2)^n - (1-√2)^n)/(2√2)