Poly-Cauchy numbers c_3^(-n).

Terms

a(0) =-1a(1) =-3a(2) =-1a(3) =45a(4) =359a(5) =2037a(6) =10079a(7) =46365a(8) =204119a(9) =873477a(10) =3666959a(11) =15191085a(12) =62342279a(13) =254119317a(14) =1030760639a(15) =4165958205a(16) =16792710839a(17) =67557739557a(18) =271392171119