A166385 Primes between the lower and upper member of the n-th pair of betrothed numbers.
53, 59, 61, 67, 71, 73, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 1051, 1061, 1063, 1069, 1087, 1091, 1093, 1097, 1103, 1109, 1117, 1123, 1129, 1151, 1153, 1163, 1171, 1181, 1187, 1193, 1201, 1213, 1217, 1223, 1229, 1231, 1237, 1249, 1259, 1277, 1279, 1283, 1289
Offset: 1
Examples
The group of primes from 53 to 73 is in the sequence, because they are between 48 and 75. The group of primes from 149 to 193 is in the sequence, because they are between 140 and 195.
Extensions
1063 inserted by R. J. Mathar, Oct 21 2009
Comments