nombres premiers sommes des n premiers nombres premiers en comptant 1 :
http://oeis.org/A0538453, 11, 29, 59, 101, 239, 569, 1061, 1481, 1721, 4889, 5351, 6871, 22549, 23593, 25801, 29297, 35569, 38239, 41023, 71209, 77137, 87517, 94057, 105541, 120349, 122921, 125509, 128113, 133387, 138869, 141677, 156109, 159073, 165041, 183707
http://oeis.org/A013916http://oeis.org/A014284http://oeis.org/A007504par Mathematica :
a = 1; Table[a = a + Prime[k], {k, 100}]
{3, 6, 11, 18, 29, 42, 59, 78, 101, 130, 161, 198, 239, 282, 329, \
382, 441, 502, 569, 640, 713, 792, 875, 964, 1061, 1162, 1265, 1372, \
1481, 1594, 1721, 1852, 1989, 2128, 2277, 2428, 2585, 2748, 2915, \
3088, 3267, 3448, 3639, 3832, 4029, 4228, 4439, 4662, 4889, 5118, \
5351, 5590, 5831, 6082, 6339, 6602, 6871, 7142, 7419, 7700, 7983, \
8276, 8583, 8894, 9207, 9524, 9855, 10192, 10539, 10888, 11241, \
11600, 11967, 12340, 12719, 13102, 13491, 13888, 14289, 14698, 15117, \
15538, 15969, 16402, 16841, 17284, 17733, 18190, 18651, 19114, 19581, \
20060, 20547, 21038, 21537, 22040, 22549, 23070, 23593, 24134}