# A072268 (b-file synthesized from sequence entry) 0 1 1 2 2 5 3 26 4 170 5 290 6 842 7 177242 8 160802 9 2810 10 78962 11 9223370 12 5033760602 13 2935496262242 14 2154284576409188208716642 15 1379590379356276893461978662419832989306970202 16 10320758390549056348725939119133160378521185060950774444682