Highly touchable numbers sandwiched between untouchable twin pairs.

A370355

Highly touchable numbers sandwiched between untouchable twin pairs.

Terms

    a(0) =1681a(1) =5251a(2) =7771a(3) =36961a(4) =39271a(5) =170941a(6) =196351a(7) =360361a(8) =510511a(9) =1009471a(10) =9699691

External references