# A097577 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 2 4 10 5 8 6 2 7 26 8 30 9 12 10 2 11 70 12 104 13 60 14 16 15 2 16 192 17 350 18 260 19 100 20 20 21 2 22 534 23 1152