148534domain: NAppears in sequences1/16 the number of (n+1) X 7 0..3 arrays with all 2 X 2 subblocks having the same four values.at n=14A184036Number of length n 1..(6+1) arrays with every leading partial sum divisible by 2 or 3.at n=7A257060a(n) = (p-1)! mod p^3, where p = prime(n).at n=17A330526