Expansion of e.g.f. exp(Sum_{k>=0} x^(6*k + 1) / (6*k + 1)!).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =2a(8) =9a(9) =37a(10) =121a(11) =331a(12) =793a(13) =1718a(14) =5163a(15) =32281a(16) =217921a(17) =1188709a(18) =5291353a(19) =20031170a(20) =66744741a(21) =267996541a(22) =2030569465a(23) =18368560519a(24) =138812739409a(25) =853152218102