27173

Appears in sequences

• Numerator of n-th partial sum of the Van der Waerden-Ulam binary measure of the primes.at n=14A127200
• Positive numbers y such that y^2 is of the form x^2+(x+937)^2 with integer x.at n=7A160209
• Composite numbers k that are not prime powers such that binomial(2k-1, k-1) is congruent to 1 (mod k).at n=0A228562
• Duplicate of A082180.at n=47A246131
• a(n) = 424*2^n + 37.at n=6A277989
• MM-numbers of crossing set partitions.at n=33A324324
• Terms of A082180 that are not squares or cubes of primes.at n=1A328497
• Numbers m such that Stern polynomial B(m,x) has no irreducible polynomial factors that themselves are Stern polynomials. The initial a(1) = 1 is included by convention.at n=34A389918