

A075557


a(n) is the smallest odd prime such that (1) a(n) doesn't already appear in the sequence; (2) the nth partial sum is divisible by n; and (3) the nth partial sum is relatively prime to n+1.


1



3, 5, 7, 13, 37, 31, 23, 17, 53, 11, 251, 29, 79, 43, 73, 61, 97, 67, 107, 173, 59, 103, 199, 163, 7, 1, 149, 47, 101, 509, 89, 151, 283, 229, 271, 211, 109, 257, 113, 269, 157, 241, 331, 83, 389, 41, 313, 1543, 19, 307, 463, 373, 277, 811, 457, 137, 191, 419, 311, 197
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