40971

Appears in sequences

• Numbers k such that (728*10^k - 71)/9 is prime.at n=22A293398
• Triangle read by rows: coefficients of the polynomials given by KummerU(-n, 1 - n - x, 3).at n=30A327997
• Expansion of e.g.f. log(1 - x)^2 * exp(3*x) / 2.at n=7A381052