A122808 Least number that is the arithmetic mean of n (but no fewer) consecutive primes.

1, 2, 4, 511, 22, 295, 77, 183, 51, 261, 78, 49, 91, 815, 400, 715, 117, 729, 112, 125, 319, 95, 52, 669, 187, 2223, 123, 477, 70, 1287, 344, 471, 455, 371, 243, 365, 124, 335, 209, 1765, 100, 153, 130, 1071, 273, 1593, 177, 377, 297, 2289, 1396, 2091, 1018