a(n) = A099203(n)/7.

Terms

a(0) =2a(1) =2a(2) =3a(3) =5a(4) =89a(5) =1a(6) =4421498288a(7) =12674887a(8) =997255a(9) =9953a(10) =125a(12) =1a(13) =91653247859a(14) =12a(15) =89a(16) =0a(17) =13a(19) =1a(20) =3a(22) =1a(24) =0a(25) =7159325458a(26) =0a(27) =81638587a(28) =799959437