a(n) is the smallest number whose English name has the letter "i" in the n-th position, or -1 if no such number exists.
A164793
a(n) is the smallest number whose English name has the letter "i" in the n-th position, or -1 if no such number exists.
Terms
- a(0) =-1a(1) =5a(2) =13a(3) =-1a(4) =1000000a(5) =4000000a(6) =45a(7) =25a(8) =75a(9) =13000000a(10) =17000000a(11) =105a(12) =113a(13) =305a(14) =313a(15) =3013a(16) =145a(17) =125a(18) =175a(19) =325a(20) =375a(21) =3075a(22) =1105a(23) =1113a(24) =1305a(25) =1313a(26) =3305a(27) =1145a(28) =1125a(29) =1175
External references
- oeis: A164793