a(n) is the smallest odd prime that divides (-n) + the sum of all smaller primes, or 0 if no such prime exists.

A274995

a(n) is the smallest odd prime that divides (-n) + the sum of all smaller primes, or 0 if no such prime exists.

Terms

    a(0) =5a(1) =19a(2) =3a(3) =7a(4) =82811a(5) =3a(6) =11a(7) =17a(8) =3a(9) =191a(10) =5a(11) =3a(12) =37a(13) =29a(14) =3a(15) =5a(16) =69431799799a(17) =3a(18) =1105589a(19) =28463a(20) =3a(21) =431a(22) =2947308589a(23) =3a(24) =7a(25) =5a(26) =3a(27) =59a(28) =11a(29) =3

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