Near-repdigit semiprimes with 2 as repeated digit.
A105983
Near-repdigit semiprimes with 2 as repeated digit.
Terms
- a(0) =122a(1) =202a(2) =221a(3) =226a(4) =262a(5) =422a(6) =622a(7) =922a(8) =2122a(9) =2227a(10) =2229a(11) =2722a(12) =4222a(13) =8222a(14) =20222a(15) =22223a(16) =22226a(17) =22262a(18) =22322a(19) =22522a(20) =22622a(21) =22822a(22) =25222a(23) =32222a(24) =52222a(25) =202222a(26) =222221a(27) =222223a(28) =222242a(29) =222422
External references
- oeis: A105983