3605429

Appears in sequences

• Numbers k (between 2^(m-1) and 2^m) such that 2^(k-1) == 1 (mod k) and 2^(k-1-m) == k - 2^p (mod k) for some p > 0 with 2^p < k.at n=30A167612
• G.f. satisfies: A(x) = Sum_{n>=0} x^n*A(x)^A001952(n), where A001952(n) = [n*(2+sqrt(2))].at n=9A190271
• Composite numbers k congruent to 5 (mod 8) such that 2^((k-1)/2) mod k = k-1.at n=28A244626