[math-fun] Unexpected biases in the distribution of consecutive primes

"Among the first billion prime numbers, for instance, a prime ending in 9 is almost 65 percent more likely to be followed by a prime ending in 1 than another prime ending in 9." https://www.quantamagazine.org/20160313-mathematicians-discover-prime-conspi... http://arxiv.org/abs/1603.03720