1851392domain: NAppears in sequences2^(n-1)*(n^2+2n+2).at n=14A084850Number of 1-2-3-avoiding permutations with exactly thrice the 1-3-2 pattern.at n=14A093374Number of binary strings of length n with equal numbers of 00001 and 10000 substrings.at n=21A164203