# A034215 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 10 4 34 5 105 6 321 7 846 8 1984 9 4023 10 7074 11 10770 12 14253 13 16384 14 16384 15 14253 16 10770 17 7074 18 4023 19 1984 20 846 21 321 22 105 23 34 24 10 25 3 26 1 27 1