Concatenation of n in base 2 up to base 10 and n in base 10 down to base 2 is prime, all numbers are interpreted as decimals.

A054258

Concatenation of n in base 2 up to base 10 and n in base 10 down to base 2 is prime, all numbers are interpreted as decimals.

Terms

    a(0) =2607a(1) =4007a(2) =4069a(3) =7597a(4) =12411a(5) =13583a(6) =23041a(7) =31113a(8) =32619a(9) =46187a(10) =48469a(11) =55777a(12) =61411a(13) =64387a(14) =71143a(15) =73837a(16) =84761a(17) =103559a(18) =123797a(19) =124043a(20) =126613a(21) =136509a(22) =142019a(23) =147449a(24) =183981a(25) =186889a(26) =200183a(27) =204219a(28) =214819a(29) =221101

External references