Number of anti-divisors of n (A066272) sets a record.

Terms

a(0) =1a(1) =3a(2) =5a(3) =7a(4) =13a(5) =17a(6) =32a(7) =38a(8) =67a(9) =137a(10) =203a(11) =247a(12) =472a(13) =578a(14) =682a(15) =787a(16) =1463a(17) =2047a(18) =2363a(19) =3465a(20) =5197a(21) =5198a(22) =8662a(23) =13513a(24) =15593a(25) =22522a(26) =22523a(27) =29452a(28) =60638a(29) =67567