33578

Appears in sequences

• Number of binary [ n,6 ] codes of dimension <= 6 without zero columns.at n=12A034340
• a(n) is the first number k such that the n Collatz runs starting at the consecutive numbers k, k+1, ..., k+n-1 all have the same prime-valued height while the runs starting at k-1 and k+n have nonprime heights.at n=11A339773