61457

Appears in sequences

• Least n such that n consecutive values in A080378 equal 0; i.e., exactly n differences between consecutive primes are divisible by 4.at n=9A080380
• Number of Dyck n-paths all of whose ascents and descents have lengths equal to 1 (mod 9).at n=39A212368
• a(n) is the least integer k such that the k-th, (k+1)-th, ..., (k+n-1)-th primes are congruent to 1 mod 4.at n=10A363016