Prime worms (as defined below).

Terms

a(0) =101a(1) =787a(2) =12101a(3) =32323a(4) =34543a(5) =78787a(6) =1012321a(7) =1212121a(8) =3212123a(9) =3212323a(10) =3454343a(11) =7654567a(12) =7656787a(13) =7676567a(14) =7678787a(15) =7876567a(16) =7898767a(17) =101012321a(18) =101210101a(19) =101232121a(20) =121232101a(21) =123210121a(22) =123232121a(23) =321234343a(24) =323232323