A280418 Length of shortest prefix of the characteristic sequence of the primes A010051 that contains all possible length-n blocks appearing in that sequence.
0, 2, 9, 11, 27, 29, 95, 97, 121, 151, 152, 215, 216, 1613, 1614, 2341, 2342, 5483, 5484, 18061, 18062, 29401, 29402
Offset: 0
Examples
For n = 2 the prefix 011010100 of length 9 contains all 4 blocks, and it is the shortest such prefix.