Triangular sequence defined by T(n, m) = (r^(n-m)*q^m + r^m*q^(n-m))*b(n), where b(n) = coefficients of p(x, n) = 2^n*(1-x)^(n+1) * LerchPhi(x, -n, 1/2), and r=2, q=3.
A154696
Triangular sequence defined by T(n, m) = (r^(n-m)*q^m + r^m*q^(n-m))*b(n), where b(n) = coefficients of p(x, n) = 2^n*(1-x)^(n+1) * LerchPhi(x, -n, 1/2), and r=2, q=3.
Terms
- a(0) =2a(1) =5a(2) =5a(3) =13a(4) =72a(5) =13a(6) =35a(7) =690a(8) =690a(9) =35a(10) =97a(11) =5928a(12) =16560a(13) =5928a(14) =97a(15) =275a(16) =49770a(17) =302760a(18) =302760a(19) =49770a(20) =275a(21) =793a(22) =420204a(23) =4934124a(24) =10172736a(25) =4934124a(26) =420204a(27) =793a(28) =2315a(29) =3595350
External references
- oeis: A154696