240748domain: NAppears in sequencesLeast n such that n consecutive values in A080378 equal 0; i.e., exactly n differences between consecutive primes are divisible by 4.at n=10A080380a(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=11A363016