A276473 Number of terms of A202259 with precisely n digits.

6, 38, 320, 2819, 25668, 237586, 2224574, 21007948, 199725336, 1908845614, 18321586810, 176478166845

Offset: 1

Author

Barry Carter, Sep 12 2016

Keywords

• base
• hard
• more
• nonn

Comments

When generating n random digits in order, number of ways to fail to generate a prime at any step.

a(n+1) >= 6*a(n), for n > 1, since any term of A202259 counted in a(n) may be extended with 0, 2, 4, 5, 6, or 8. - Michael S. Branicky, Nov 18 2024

Links

• Barry Carter, Mathematica work on probability of generating member of A202259 after generating n random numbers in order
• Michael S. Branicky, Python program for OEIS A276473

Crossrefs

Cf. A202259.

Extensions

a(9)-a(11) from Michael S. Branicky, Nov 13 2024

a(12) from Michael S. Branicky, Nov 18 2024