Numerators in expansion of (exp(x)-1)^3.

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =3a(5) =5a(6) =3a(7) =43a(8) =23a(9) =605a(10) =311a(11) =2591a(12) =437a(13) =115a(14) =289a(15) =2375101a(16) =1190281a(17) =50489a(18) =14039a(19) =132227a(20) =727577a(21) =1267159a(22) =3168533a(23) =682014587a(24) =113679229a(25) =62065051a(26) =155168773a(28) =635444087461a(29) =1434247999a(30) =1769737