154709

Appears in sequences

• First element of first run of exactly n consecutive numbers not of form x^2+y^2.at n=20A104271
• Numbers n such that n-th and (n+1)-th primes are in A125146.at n=17A128120
• Odd numbers having no odd primes in their Collatz (3x+1) trajectory.at n=27A221475
• Number of aperiodic compositions of n where every pair of adjacent parts (including the last with the first) is relatively prime.at n=19A328670