A number triangle T(n,k) read by rows for 0<=k<=n, related to the Taylor expansion of f(u, p) = (1/2)*(1+1/(sqrt(1-u^2)))*exp(p*sqrt(1-u^2)).
A305402
A number triangle T(n,k) read by rows for 0<=k<=n, related to the Taylor expansion of f(u, p) = (1/2)*(1+1/(sqrt(1-u^2)))*exp(p*sqrt(1-u^2)).
Terms
- a(0) =1a(1) =1a(2) =-2a(3) =3a(4) =-4a(5) =2a(6) =15a(7) =-18a(8) =9a(9) =-2a(10) =105a(11) =-120a(12) =60a(13) =-16a(14) =2a(15) =945a(16) =-1050a(17) =525a(18) =-150a(19) =25a(20) =-2a(21) =10395a(22) =-11340a(23) =5670a(24) =-1680a(25) =315a(26) =-36a(27) =2a(28) =135135a(29) =-145530
External references
- oeis: A305402