41623

Appears in sequences

• a(n) = a(n-1) + a(n-8), with a(i) = 1 for i = 0..7.at n=55A005710
• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 25 ones.at n=26A031793
• Numbers m such that the positive values of m - A002110(k) are all primes (k > 0).at n=45A068372
• Numbers k such that sigma(k) - k - 1 is a perfect number.at n=11A293992
• The number of base-2 Euler-Jacobi pseudoprimes (A047713) less than 2^n.at n=38A329237
• G.f. A(x) satisfies A(x) = 1 / (1 - x * A(x^8)).at n=56A367800