Triangle read by rows. T(n, k) = coefficient of x^n in the Taylor expansion of [((1 - x - 2*x^2 - sqrt(1 - 2*x - 3*x^2))/(2*x^2))]^k.
A202710
Triangle read by rows. T(n, k) = coefficient of x^n in the Taylor expansion of [((1 - x - 2*x^2 - sqrt(1 - 2*x - 3*x^2))/(2*x^2))]^k.
Terms
- a(0) =1a(1) =2a(2) =1a(3) =4a(4) =4a(5) =1a(6) =9a(7) =12a(8) =6a(9) =1a(10) =21a(11) =34a(12) =24a(13) =8a(14) =1a(15) =51a(16) =94a(17) =83a(18) =40a(19) =10a(20) =1a(21) =127a(22) =258a(23) =267a(24) =164a(25) =60a(26) =12a(27) =1a(28) =323a(29) =707
External references
- oeis: A202710