Density of twin primes: the number of primes that are twin primes among the first 10^n primes.

A273497

Density of twin primes: the number of primes that are twin primes among the first 10^n primes.

Terms

    a(0) =8a(1) =49a(2) =347a(3) =2539a(4) =20499a(5) =172053a(6) =1477193a(7) =12994813a(8) =116094359a(9) =1049467021a(10) =9579839305a(11) =88147018203

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