Binomial transform of expansion of exp(3cosh(x)).

Terms

a(0) =1a(1) =1a(2) =4a(3) =10a(4) =49a(5) =181a(6) =1039a(7) =4915a(8) =32134a(9) =182206a(10) =1330609a(11) =8706655a(12) =70012309a(13) =515822581a(14) =4517489344a(15) =36835737130a(16) =348313165249