183457

Appears in sequences

• (Number of primes == 3 mod 4 less than 10^n) - (number of primes == 1 mod 4 less than 10^n).at n=13A091295
• Number of (n+2) X 5 binary arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order.at n=23A184542
• Expansion of e.g.f. exp(x/(1 - x^3)^(2/3)).at n=9A373518