Least n such that n consecutive values in A080378 equals 2; i.e., exactly n differences between consecutive primes give residues 2 when divided by 4.

A080379

Least n such that n consecutive values in A080378 equals 2; i.e., exactly n differences between consecutive primes give residues 2 when divided by 4.

Terms

    a(0) =5a(1) =2a(2) =9a(3) =15a(4) =39a(5) =32a(6) =305a(7) =51a(8) =2631a(9) =3685a(10) =170a(11) =1156a(12) =8775a(13) =98a(14) =5295a(15) =41914a(16) =106469a(17) =167115a(18) =186917a(19) =1098776a(20) =187784a(21) =976193a(22) =1166047a(23) =423098a(24) =77442332a(25) =2643158a(26) =11004239a(27) =36330320a(28) =259652255a(29) =307899596

External references