a(1) = 6; a(2n) = smallest prime that is a right concatenation of a(2n-1) and a number with no insignificant zeros and a(2n+1) = smallest prime ending in ( the least significant digits) a(2n-1). Alternate left and right concatenation yielding primes.
A069618
a(1) = 6; a(2n) = smallest prime that is a right concatenation of a(2n-1) and a number with no insignificant zeros and a(2n+1) = smallest prime ending in ( the least significant digits) a(2n-1). Alternate left and right concatenation yielding primes.
Terms
- a(0) =6a(1) =61a(2) =461a(3) =46133a(4) =246133a(5) =2461337a(6) =22461337a(7) =224613371a(8) =12224613371
External references
- oeis: A069618