Numerators of coefficients of Maclaurin series for 2 - sqrt(1 - x - x^2).
A178693
Numerators of coefficients of Maclaurin series for 2 - sqrt(1 - x - x^2).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =5a(4) =45a(5) =95a(6) =465a(7) =1165a(8) =24445a(9) =65595a(10) =359915a(11) =1003315a(12) =11342185a(13) =32415435a(14) =187063145a(15) =544172445a(16) =25508284445a(17) =75196195795a(18) =445774614215
External references
- oeis: A178693