55129

Appears in sequences

• Number of loopless matroids on n labeled points.at n=7A058712
• Number of "ultrasweet" Boolean functions of n variables which depend on all the variables.at n=7A114572
• Alternative version of A114572 with a(0) = 1 instead of 2.at n=7A118085
• Number of (n+2) X 4 0..1 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly three ways, and new values 0..1 introduced in row major order.at n=18A204375
• Numbers k such that (49*10^k + 383)/9 is prime.at n=23A285571