# A150036 (b-file synthesized from sequence entry) 0 1 1 2 2 6 3 17 4 63 5 222 6 868 7 3265 8 13405 9 53275 10 223259 11 914164 12 3909764 13 16388698 14 70927944 15 302334626 16 1322634824 17 5711521875 18 25182959651 19 109885961160 20 487770976428 21 2146224129991 22 9579356119447 23 42445372186746 24 190338310464854 25 848302510691958 26 3819433753111438 27 17107621720377267